N3 ENGINEERING DRAWING SPOT ON R80 .00

T590(E)(N)T NATIONAL CERTIFICATE ENGINEERING DRAWING N3 (8090283) 9 November 2017 (X-Paper) 09:00–13:00 REQUIREMENTS: A2 drawing paper This question paper consists of 10 pages. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -2- T590(E)(N9)T DEPARTMENT OF HIGHER EDUCATION AND TRAINING REPUBLIC OF SOUTH AFRICA NATIONAL CERTIFICATE ENGINEERING DRAWING N3 TIME: 4 HOURS MARKS: 100 INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. Read ALL the questions carefully. 3. Number the answers according to the numbering system used in this question paper. 4. Use both sides of the drawing sheet. 5. Draw a 15 mm border on both sides of the drawing sheet. 6. ALL drawing work including candidate information must be done in pencil. 7. A radius curve stencil may be used to draw smaller arcs. 8. Unspecified radii must be R3. 9. A balanced layout is very important and candidates will be penalised for poor planning. 10. ALL drawing work must conform to the latest SANS 10111 Code of Practice for Engineering Drawing. 11. Work neatly. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -3- T590(E)(N9)T MARK ALLOCATION QUESTION 1: FREEHAND DRAWING Correctness 5 Line work 2 Accuracy and proportion 2 Layout and neatness 1 [10] QUESTION 2: SECTIONAL DRAWING 2.1 Correctness – Full-sectional front view 6 2.2 Correctness – Full-sectional left view 4 2.3 Correctness – Full-sectional top view 7 Line work 3 Accuracy 3 Layout and neatness 2 [25] QUESTION 3: ASSEMBLY DRAWING Correctness 18 Line work 5 Accuracy 5 Layout and neatness 2 [30] QUESTION 4: DETAIL DRAWING 4.1.1 Correctness – Front view (Item 1) 5 4.1.2 Correctness – Left view (Item 1) 4 4.2 Correctness – Front view (Item 3) 3 Line work – 1 mark per view 3 Accuracy – 1 mark per view 3 Layout and neatness 2 [20] QUESTION 5: ISOMETRIC PROJECTION Correctness 8 Line work 2 Accuracy 2 Scale 2 Layout and neatness 1 [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -4- T590(E)(N9)T QUESTION 1: FREEHAND DRAWING FIGURE 1 shows a half-sectional front view of a coupling assembly. Make a freehand drawing of the given view, approximately full size. FIGURE 1 [10] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -5- T590(E)(N9)T QUESTION 2: SECTIONAL DRAWING FIGURE 2 shows two primary views of a bracket. Draw to scale 1 : 1 and in first-angle orthographic projection the following views of the component: 2.1 A full sectional front view on cutting plane X–X (9) 2.2 A full sectional left view on cutting plane Y–Y (6) 2.3 A full sectional top view on cutting plane Z–Z (10) FIGURE 2 [25] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -6- T590(E)(N9)T QUESTION 3: ASSEMBLY DRAWING FIGURE 3 shows the primary views of the components of a flat belt pulley assembly. The complete list of parts is as follows: ITEM DESCRIPTION QUANTITY 1 Support bracket 1 2 Upper clamp 1 3 Pulley 1 4 Bottom bearing half 1 5 Upper bearing half 1 6 Shaft 1 7 Washer 1 8 M26 hexagonal nut 1 9 M12 hexagon head bolt 2 10 M12 hexagonal nut 2 Draw as an assembly drawing, to scale 1:1, a full-sectional front view of the flat belt pulley assembly. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -7- T590(E)(N9)T FIGURE 3 [30] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -8- T590(E)(N9)T QUESTION 4: DETAILED DRAWING FIGURE 4 shows two primary views of a guide roller assembly. Draw to scale 1 : 1 and in first-angle orthographic projection detailed drawings of the following items: 4.1 The base (Item 1) showing the following views: 4.1.1 A front view (8) 4.1.2 A left view (6) 4.2 The bush (Item 3) showing the front view: (6) No hidden detail is necessary. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -9- T590(E)(N9)T FIGURE 4 [20] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -10- T590(E)(N9)T QUESTION 5: ISOMETRIC PROJECTION FIGURE 5 shows the primary views of a geometric model. Construct an isometric scale and then draw an isometric projection of the model. Point A must be the lowest point on the drawing. No hidden detail is necessary. FIGURE 5 [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com

higher education & training Department: Higher Education and Training REPUBLIC OF SOUTH AFRICA AMENDED MARKING GUIDELINE NATIONAL CERTIFICATE ENGINEERING DRAWING N3 9 NOVEMBER 2017 This marking guideline consists of 8 pages. q Chief Marker: KK AT PAR. Signature: Aw Internal Moderator: SP Siway Signature: ABs UMALUSI:_ A“ 7 erre soy eee DMCM: G- LU MAK ULE signature =e a MCM: Xt MatAmgo Signature: © Downloaded from hlayiso.com Copyright reserved Please turn over

MARKING GUIDELINE 2 T610(E)(NO)T ENGINEERING DRAWING N3 INSTRUCTIONS AND INFORMATION 1. Copying and scanning of drawings will affect the accuracy of the drawings on the memorandum. 2. ALL markers are requested to prepare their own marking guideline so that it can be used during the marking of the candidates’ answer sheets. MARK ALLOCATION FOR CORRECTNESS — NOVEMBER 2017 (This guideline must be used in conjunction with the Marking Guideline) QUESTION 1 % mark for each of the areas indicated on the marking guideline = 5 marks QUESTION 2 ESFV 2% marks for correct sectioning = 2% marks % mark for each @12 hole not sectioned = 1 mark % mark for each rectangular hole not sectioned = 1 mark % mark for the #26 hole not sectioned = % mark 1 mark for the vertical “flange” not sectioned = 1__mark TOTAL = 6 marks FSLV 2 marks for correct sectioning = 2 marks 1 mark for the web not sectioned = 1 mark 1 mark for sectioning of the cylindrical portion = 1 mark TOTAL = 4 marks ESRV 2% marks for correct sectioning = 2% marks % mark for each rectangular hole not sectioned = 1 mark % mark for each #12 hole not sectioned = 1 mark % mark for the #26 hole not sectioned = % mark 1 mark for the bottom “flange” not sectioned = 1 mark 1 mark for the general shape of the projected view = 1__ mark TOTAL = 7__mark Downloaded from hlayiso.com Copyright reserved Please turn over

MARKING GUIDELINE -3- T610(E)(N)T ENGINEERING DRAWING N3 QUESTION 3 1 mark for each of items 1 to 8 correctly assembled = 8 marks Item 1: 2 marks for correct sectioning = 2 mark % mark for the web not sectioned = % mark Item 2: 1 mark for correct sectioning = 1 mark Item 3: 2 marks for correct sectioning = 2 marks Item 4: 1 mark for correct sectioning = 1 mark Item 5: 1 mark for correct sectioning of each half = 1 mark Item 6: 1 mark for correctly drawing the shaft = 1 mark Item 7: % mark for not sectioning the washer = % mark Item 8: 1 mark for correctly drawing the nut = 1 mark TOTAL = 18 marks QUESTION 4 EV (Item 1) 1 mark for correctly drawing the outside view = 1 mark ’%& mark for showing the change in shape of the top web = % mark % mark for each boss = 1 mark ¥% mark for web merging into each boss = 1 mark % mark not sectioning the web at the back = % mark % mark for each @12 hole not sectioned = 41_mark TOTAL = 5 marks LV (Item 1) 2 marks for the L-shaped web = 2 marks 41 mark for the vertical = 1 mark % mark for each boss (partial) at the top & bottom = 1_mark TOTAL = 4 marks FV (Item 3) 1 mark for each face = 3 marks TOTAL = 3 marks QUESTION 5 See marking guideline for allocation of marks = 8 marks Downloaded from hlayiso.com Copyright reserved Please turn over

— =" \ SA MARK ALLOCATION CORRECTNESS 5% LINEWORK 2% ACCURACY & PROPORTION 2% LAYOUT & NEATNESS 1% TOTAL 10% Downloaded from hlayiso.com

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Vv v AZ oly vw _ _ -—f+ - _ a | 2 eee | MARK ALLOCATION CORRECTNESS 18% LINEWORK 5% ACCURACY 5% LAYOUT & NEATNESS 2% TOTAL, 30% Downloaded from hlayiso.com

2 D @ (CH vty p) a | | V | P S J yi) i Vi y \ MARK ALLOCATION CORRECTNESS: FV (ITEM 1) 5% LV (ITEM 1) 4% FV (ITEM 3) 3% LINEWORK 3% aaa LAYOUT & neRRNlosfed fro — TOTAL 20%

MARK ALLOCATION A CORRECTNESS 8% LINEWORK 2% ACCURACY 2% SCALE 2% LAY % . A OTAL & NEATNE ownlgaded from hlayiso.com

T540(E)(J18)T NATIONAL CERTIFICATE ENGINEERING DRAWING N3 (8090283) 18 July 2017 (X-Paper) 09:00–13:00 REQUIREMENTS: A2 drawing sheet This question paper consists of 10 pages and 1 A4 answer sheet. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -2- T540(E)(J18)T DEPARTMENT OF HIGHER EDUCATION AND TRAINING REPUBLIC OF SOUTH AFRICA NATIONAL CERTIFICATE ENGINEERING DRAWING N3 TIME: 4 HOURS MARKS: 100 INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. Read ALL the questions carefully. 3. Number the answers according to the numbering system used in this question paper. 4. Use both sides of the DRAWING SHEET. 5. A 15 mm border MUST be drawn on both sides of the DRAWING SHEET. 6. ALL drawing work, including candidate information, MUST be done in pencil. 7. A radius curve stencil may be used to draw smaller arcs. 8. Unspecified radii must be R3. 9. A balanced layout is very important and candidates will be penalised for poor planning. 10. ALL drawing work must conform to the latest SANS 10111 Code of Practice for Engineering Drawing. 11. Write neatly and legibly. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -3- T540(E)(J18)T MARK ALLOCATION QUESTION 1: FREEHAND DRAWING Correctness 5 Line work 2 Accuracy and proportion 2 Layout and neatness 1 [10] QUESTION 2: SECTIONAL DRAWING 2.1 Correctness – Full-sectional front view 6 2.2 Correctness – Full-sectional right view 7 2.3 Correctness – Top view 4 Line work (1 mark per view) 3 Accuracy (1 mark per view) 3 Layout and neatness 2 [25] QUESTION 3: ASSEMBLY DRAWING Correctness 18 Line work 5 Accuracy 5 Layout and neatness 2 [30] QUESTION 4: DETAIL DRAWING 4.1 Correctness – Full-sectional front view (Item 1) 5 4.2 Correctness – Top view (Item 1) 3 4.3 Correctness – Full-sectional front view (Item 2) 4 Line work (1 mark per view) 3 Accuracy (1 mark per view) 3 Layout and neatness 2 [20] QUESTION 5: PERSPECTIVE DRAWING Correctness 8 Line work 2 Accuracy 2 SP + LVP + RVP 3 [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -4- T540(E)(J18)T QUESTION 1: FREEHAND DRAWING FIGURE 1 below shows a full-sectional front view of a component. Make a freehand drawing of the given view, approximately full size. FIGURE 1 [10] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -5- T540(E)(J18)T QUESTION 2: SECTIONAL DRAWING FIGURE 2 below shows two primary views of a component. Draw to scale 1 : 1 and in third-angle orthographic projection the following views of the component: 2.1 A full sectional front view (9) 2.2 A full sectional right view on cutting plane Y-Y (10) 2.3 A top view (6) Downloaded from hlayiso.com Please turn over FIGURE 2 [25] Copyright reserved

(8090283) -6- T540(E)(J18)T QUESTION 3: ASSEMBLY DRAWING FIGURE 3 shows the primary views of the components of a hook and pulley assembly. The complete list of parts is as follows: ITEM DESCRIPTION QUANTITY 1 Pulley 1 2 Hook 1 3 Plate 2 4 M12 bolt 1 5 M10 bolt 1 6 Washer 1 7 Washer 1 8 M12 hexagonal nut 1 9 M10 hexagonal nut 1 Draw as an assembly drawing to scale 1 : 1 a full-sectional front view of the assembly on cutting plane X–X shown on Item 2. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -7- T540(E)(J18)T FIGURE 3 [30] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -8- T540(E)(J18)T QUESTION 4: DETAILED DRAWING FIGURE 4 shows two primary views of a vertical support bracket. Draw to scale 1 : 1 and in third-angle orthographic projection detailed drawings of the following: 4.1 The base (Item 1) showing the following views: 4.1.1 A full-sectional front view (8) 4.1.2 A top view (5) 4.2 The pulley (Item 2) showing a full-sectional front view. (7) No hidden detail is necessary. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -9- T540(E)(J18)T Copyright reserved Downloaded from FIGURE 4 hlayiso.com Please turn over[20]

(8090283) -10- T540(E)(J18)T QUESTION 5: PERSPECTIVE DRAWING NOTE: This question must be answered on the A4 ANSWER SHEET and must be attached to the DRAWING SHEET. Use the information shown on the ANSWER SHEET to draw a neat two-point perspective view of the machined block. • Point A is situated in line with the centre of vision and up against the picture plane. • Line AB vanishes to the right at 30°. • The distance of the eye in front of the picture plane is 100 mm. No hidden detail is necessary. [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) T540(E)(J18)T ANSWER SHEET QUESTION 5 EXAMINATION NUMBER: [15] Copyright reserved Downloaded from hlayiso.com

AMENDED MARKING GUIDELINE NATIONAL CERTIFICATE ENGINEERING DRAWING N3 18 JULY 2017 This marking guideline consists of 9 pages. Chief Marker: ____________________________ Signature: ________________________ Internal Moderator: ________________________ Signature: ________________________ UMALUSI: _______________________________ Signature: _______________________ DMCM: _______________________________ Signature: _______________________ MCM: _______________________________ Signature: _______________________ Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -2- T540(E)(J18)T ENGINEERING DRAWING N3 INSTRUCTIONS AND INFORMATION 1. Copying and scanning of drawings will affect the accuracy of the drawings on the marking guideline. 2. ALL markers are requested to prepare their own marking guideline to be used during the marking of candidates' answer sheets. MARK ALLOCATION FOR CORRECTNESS – AUGUST 2017 (This guideline must be used in conjunction with the Marking Guideline) QUESTION 1 ½ mark for each of the areas indicated on the marking guideline = 5 marks QUESTION 2 FSFV 3 marks for correct sectioning = 3 marks 1 mark for each slot not sectioned = 2 marks ½ mark for web not sectioned = ½ mark ½ mark for chamfer on the web = ½ mark TOTAL = 6 marks FSRV 3 marks for correct sectioning = 3 marks 1 mark for slot at the bottom not sectioned = 1 mark 1 mark the vertical web not sectioned = 1 mark 1 mark for the top area not sectioned = 1 mark 1 mark for the overall shape of the projected view = 1 mark TOTAL = 7 marks TV As indicated on the marking guideline = 4 marks TOTAL = 4 marks Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -3- T540(E)(J18)T ENGINEERING DRAWING N3 QUESTION 3 1 mark each for correct assembly of Items 1-5, 8 & 9 (NB: 2 x Item 3) = 8 marks ½ mark each for correct assembly of Items 6 & 7 = 1 mark Item 1: 2 marks for correct sectioning = 2 marks Item 2: 1 mark for correct sectioning = 1 mark ½ mark for the area not sectioned = ½ mark ½ mark for sectioned portion at the bottom = ½ mark Item 3: 1 mark for correct sectioning of each Item 3 = 2 marks Item 4: ½ mark for not sectioning = ½ mark Item 5: ½ mark for not sectioning = ½ mark Item 8: 1 mark correctly drawing the nut = 1 mark Item 9: 1 mark correctly drawing the nut = 1 mark TOTAL = 18 marks QUESTION 4 FSFV (Item 1) 3 mark for correct sectioning = 3 marks ½ mark for the Ø60 hole not sectioned = ½ mark ½ mark for each of the Ø16 holes not sectioned = 1 mark ½ mark for the web not sectioned = ½ mark TOTAL = 5 marks TV (Item 1) ½ mark for the Ø84 circle = ½ mark ½ mark for the Ø60 hole = ½ mark ½ mark for the base not sectioned = ½ mark ½ mark for the Ø16 hole = ½ mark ½ mark for the 4 Ø12 holes = ½ mark ½ mark for the protruding portion = ½ mark TOTAL = 3 marks FSFV (Item 2) 2 marks for correct sectioning = 2 marks ½ mark for the Ø30 hole not sectioned = ½ mark ½ mark for the Ø75 hole not sectioned = ½ mark ½ mark for V part of the pullet on each side = 1 mark TOTAL = 4 marks QUESTION 5 See marking guideline for allocation of marks = 8 marks Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -4- T540(E)(J18)T ENGINEERING DRAWING N3 QUESTION 1: FREEHAND DRAWING [10] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -5- T540(E)(J18)T ENGINEERING DRAWING N3 QUESTION 2: SECTIONAL DRAWING Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -6- T540(E)(J18)T ENGINEERING DRAWING N3 [25] QUESTION 3: ASSEMBLY DRAWING Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -7- T540(E)(J18)T ENGINEERING DRAWING N3 [30] QUESTION 4: DETAILED DRAWING Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -8- T540(E)(J18)T ENGINEERING DRAWING N3 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -9- T540(E)(J18)T ENGINEERING DRAWING N3 [20] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -10- T540(E)(J18)T ENGINEERING DRAWING N3 QUESTION 5: PERSPECTIVE DRAWING [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com

T610(E)(A22)T NATIONAL CERTIFICATE ENGINEERING DRAWING N3 (8090283) 22 March 2017 (X-Paper) 09:00–13:00 REQUIREMENTS: One A2 drawing sheet This question paper consists of 9 pages. Copyright reserved Downloaded from hlayiso.comPlease turn over

(8090283) -2- T610(E)(M22)T DEPARTMENT OF HIGHER EDUCATION AND TRAINING REPUBLIC OF SOUTH AFRICA NATIONAL CERTIFICATE ENGINEERING DRAWING N3 TIME: 4 HOURS MARKS: 100 INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. Read ALL the questions carefully. 3. Number the answers according to the numbering system used in this question paper. 4. Use both sides of the drawing sheet. 5. A 15 mm border must be drawn on both sides of the drawing sheet. 6. ALL drawing work including candidate information must be done in pencil. 7. A radius curve stencil may be used to draw smaller arcs. 8. Unspecified radii must be R3. 9. A balanced layout is very important and candidates will be penalised for poor planning. 10. ALL drawing work must conform to the latest SANS 10111 Code of Practice for Engineering Drawing. Copyright reserved Downloaded from hlayiso.comPlease turn over

(8090283) -3- T610(E)(M22)T MARK ALLOCATION QUESTION 1: FREEHAND DRAWING [10] Correctness (6) Line work (2) Accuracy and proportion (2) QUESTION 2: SECTIONAL DRAWING [25] 2.1 Correctness – full-sectional front view (6) 2.2 Correctness – full-sectional top view (5) 2.3 Correctness – full-sectional right view (4) Line work (5) Accuracy (3) Layout and neatness (2) QUESTION 3: ASSEMBLY DRAWING [30] 3.1 Correctness – assembly of components, full-sectional drawing (16) Line work (5) Accuracy (5) Title and scale (2) Layout and neatness (2) QUESTION 4: DETAILED DRAWING [20] 4.1 Correctness – full-sectional front view (item 1) (5) 4.2 Correctness – full-sectional front view (item 2) (4) 4.3 Correctness – top view (item 3) (3) Line work – 1 mark per view (3) Accuracy – 1 mark per view (3) Layout and neatness (2) QUESTION 5: ISOMETRIC PROJECTION [15] Correctness (8) Line work (2) Accuracy (2) Scale (2) Layout and neatness (1) TOTAL: 100 Copyright reserved Downloaded from hlayiso.comPlease turn over

(8090283) -4- T610(E)(M22)T QUESTION 1: FREEHAND DRAWING FIGURE 1 (below) shows a full-sectional front view of a link mechanism assembly. Make a freehand drawing of the given view, approximately full size. FIGURE 1 [10] Copyright reserved Downloaded from hlayiso.comPlease turn over

(8090283) -5- T610(E)(M22)T QUESTION 2: SECTIONAL DRAWING FIGURE 2 (below) shows two primary views of a bracket. Draw, to scale 1 : 1 and in third-angle orthographic projection, the following views of the component: 2.1 A full-sectional front view on cutting plane Y–Y (9) 2.2 A full-sectional top view on cutting plane X–X (9) 2.3 A full-sectional right view on cutting plane Z–Z (7) FIGURE 2 [25] Copyright reserved Downloaded from hlayiso.comPlease turn over

(8090283) -6- T610(E)(M22)T QUESTION 3: ASSEMBLY DRAWING FIGURE 3 (next page) shows the primary views of the components of a castor. The complete list of parts is as follows: ITEM DESCRIPTION QUANTITY 1 Top plate 1 2 Frame 2 3 Wheel 1 4 Axle 1 5 Bush 2 6 M10 hexagon head bolt 4 3.1 Draw as an assembly drawing, to scale 1 : 1, a full-sectional front view of the castor. (28) 3.2 Insert a suitable title and scale centrally below the drawing. (2) Copyright reserved Downloaded from hlayiso.comPlease turn over

(8090283) -7- T610(E)(M22)T FIGURE 3 [30] Copyright reserved Downloaded from hlayiso.comPlease turn over

(8090283) -8- T610(E)(M22)T QUESTION 4: DETAILED DRAWING FIGURE 4 (below) shows two primary views of a pedestal bearing. Draw, to scale 1 : 1, detailed drawings of the following items: 4.1 The base (item 1) showing a full-sectional front view (7) 4.2 The cap (item 2) showing a full-sectional front view (7) 4.3 The bottom bearing half (item 3) showing a top view (6) NO hidden detail is necessary. FIGURE 4 [20] Copyright reserved Downloaded from hlayiso.comPlease turn over

(8090283) -9- T610(E)(M22)T QUESTION 5: ISOMETRIC PROJECTION FIGURE 5 (below) shows the primary views of a geometric model. Construct an isometric scale and then draw an isometric projection of the model. Point P must be the lowest point on the drawing. NO hidden detail is necessary. FIGURE 5 [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com

higher education & training Department: Higher Education and Training REPUBLIC OF SOUTH AFRICA MARKING GUIDELINE NATIONAL CERTIFICATE ENGINEERING DRAWING N3 22 MARCH 2017 This marking guideline consists of 8 Pages. This copy LO go to pl (bes Oreck gcqle drayw (As o SS ¥ Downloaded from hlayiso.com Copyright reserved Please turn over

MARKING GUIDELINE -2- ENGINEERING DRAWING N3 MARK ALLOCATION QUESTION 1 % mark for each of the areas indicated in the marking guideline QUESTION 2 FSFV 2 marks for correct sectioning % mark for each of the webs not sectioned ’% mark for the 924 hole not sectioned % mark for the M12 hole not sectioned % mark for 10 mm slot not sectioned ’% mark for the protrusion on the right-hand side not sectioned % mark for the #6 hole % mark for the protruding portion below the component TOTAL FSTV 1 mark for correctly sectioning the cylindrical portion 1 mark for correctly sectioning the webs up to the cutting plane 1 mark for the base not sectioned % mark for the M12 tapped hole % mark for the slot 4 mark for correctly sectioning the protruding portion % mark for the @8 hole TOTAL FSRV 2 marks for correct sectioning 1 mark for the #24 hole not sectioned 1 mark for the general shape of the projected view TOTAL QUESTION 3 1 mark each for Items 1 to 5 correctly assembled (2 of Items 2 and 5) % mark for each of the 2 bolts correctly assembled 1 mark for correctly sectioning Item 1 % mark for the #12 hole in Item 1 1 mark for correctly sectioning each Item 2 1 mark for correctly sectioning Item 3 % mark for not sectioning Item 4 % mark for correctly sectioning each Item 5 1 mark for correctly drawing each Item 6 TOTAL Copyrightresevead Downloaded from hlayiso.co T610(E)(M22)T = 6 marks = 2 marks = 1 mark =% mark = % mark = % mark =% mark =% mark =% mark = 6 marks mark mark mark 3 D> x ee xyoas % mark =% mark =% mark =5 marks = 2 marks = 1 mark 1 mark = 4 marks =7 marks = 1 mark = 1 mark =% mark = 2 marks =1 mark = % mark = 1 mark =2 marks = 16 marks Please turn over ~ & tS

MARKING GUIDELINE -3- ENGINEERING DRAWING N3 QUESTION 4 FSFV (Item 1) 2% marks for correct sectioning % mark for each 98 hole not sectioned % mark for each slot not sectioned % mark for the recess not sectioned TOTAL FSFV (Item 2) 2 marks for correct sectioning 1 mark for each #8 hole not sectioned % mark for the g6 hole not sectioned ’% mark for the @38 arc TOTAL TV (Item 3) 1 mark for each area shown in the marking guideline QUESTION 5 See marking guideline for allocation of marks Copyright reserved Downloaded from hlayiso.co T610(E)(M22)T = 2% marks = 1 mark = 1 mark = % mark = § marks = 2 marks =1 mark =% mark = % mark =4 marks =3 marks = 8 marks [ & TM, nose turn over age

[10] MARKING GUIDELINE -4- T610(E)(M22)T ENGINEERING DRAWING N3 QUESTION 1 imi | | wi VY N N MARK ALLOCATION CORRECTNESS 8% LINE WORK 2% ACCURACY AND PROPORTION 2% TOTAL 10% Downloaded from hlayiso.com Copyright reserved Please turn over ee

T610(E)(M22)T MARKING GUIDELINE ENGINEERING DRAWING N3 QUESTION 2 SE He %E *S er eG HE YAS 0 [25] SN s SS Cy aes ae Nig AN > x > NG > Nvan iso.com Please turn over WLOL SSANLVAN ONY LNOAVT AQVENDIV YOM SNI1 AYS4 ALSA AdSd ‘SSANLOFYYOS NOLLVOOTIV WV Downloaded from hlay Copyright reserved

MARKING GUIDELINE -6- T610(E)(M22)T ENGINEERING DRAWING N3 QUESTION 3 @) voy [\ NYY “i ¥ X a ‘ 4 y f , x v CASTOR SCALE 1:1 MARK ALLOCATIGN CORRECTNESS 16% LINE WORK 5% ACCURACY 5% TITLE AND SCALE 2% LAYOUT ANDNEATNESS 2% TOTAL 30% [30] 8) Copyright reserved Downloaded from hlayiso.com Please tum over 45

MARKING GUIDELINE -7- T610(E)(M22)T ENGINEERING DRAWING N3 4) Ho 1 AT ie ee aN 1 - + - vw =1 MARK \ = A MARK MARK ALLOCATION 4 v 4 CORRECTNESS: FSFV (ITEM 1) 5% FSFV (ITEM 2) 4% ' TV (ITEM 3) 3% LINE WORK 3% ACCURACY 3% LAYOUT AND NEATNESS 2% TOTAL 20% Copyright reseved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE T610(E)(M22)T -8- ENGINEERING DRAWING N3 QUESTION 5 © of = 4 Mark MARK ALLOCATION CORRECTNESS 8% LINE WORK 2% ACCURACY 2% SCALE 2% LAYOUT AND NEATNESS 1% TOTAL 15% [15] TOTAL: 10 & Copyrightreseved Downloaded from hlayiso.com we

(8090283) -1- T530(E)(M29)T T530(E)(M29)T APRIL EXAMINATION NATIONAL CERTIFICATE ENGINEERING DRAWING N3 (8090283) 29 March 2016 (X-Paper) 9:00–13:00 REQUIREMENTS: One A2 drawing paper This question paper consists of 10 pages. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -2- T530(E)(M29)T DEPARTMENT OF HIGHER EDUCATION AND TRAINING REPUBLIC OF SOUTH AFRICA NATIONAL CERTIFICATE ENGINEERING DRAWING N3 TIME: 4 HOURS MARKS: 100 INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. Read ALL the questions carefully. 3. Number the answers according to the numbering system used in this question paper. 4. Use BOTH sides of the drawing sheet. 5. A 15 mm border must be drawn on both sides of the drawing sheet. 6. ALL drawing work including candidate information must be done in pencil. 7. A radius curve stencil may be used to draw smaller arcs. 8. Unspecified radii must be R3. 9. A balanced layout is very important and candidates will be penalised for poor planning. 10. ALL drawing work must conform to the latest SANS 10111 Code of Practice for Engineering Drawing. 11. Work neatly. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -3- T530(E)(M29)T MARK ALLOCATION QUESTION 1: FREEHAND DRAWING [10] Correctness 5 Line work 2 Accuracy and proportion 2 Layout and neatness 1 QUESTION 2: SECTIONAL DRAWING [25] 2.1 Correctness – Full-sectional front view 5 2.2 Correctness – Full-sectional top view 7 2.3 Correctness – Full-sectional left view 5 Line work – 1 mark per view 3 Accuracy – 1 mark per view 3 Layout and neatness 2 QUESTION 3: ASSEMBLY DRAWING [30] 3.1 Correctness 16 Line work 5 Accuracy 5 3.2 Title and scale 2 Layout and neatness 2 QUESTION 4: DETAILED DRAWING [20] 4.1.1 Correctness – Full-sectional front view (Item 1) 3 4.2.1 Correctness – Full-sectional front view (Item 2) 5 4.2.2 Correctness – Full-sectional left view (Item 2) 4 Line work – 1 mark per view 3 Accuracy – 1 mark per view 3 Layout and neatness 2 QUESTION 5: ISOMETRIC PROJECTION [15] Correctness 8 Line work 2 Accuracy 2 Scale 2 Layout and neatness 1 TOTAL 100 Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -4- T530(E)(M29)T QUESTION 1: FREEHAND DRAWING FIGURE 1 shows a full-sectional front view of a bracket. Make a freehand drawing of the given view, approximately full size. FIGURE 1 [10] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -5- T530(E)(M29)T QUESTION 2: SECTIONAL DRAWING FIGURE 2 shows two primary views of a component. Draw, to scale 1 : 1 and in THIRD-ANGLE ORTHOGRAPHIC PROJECTION, the following views of the component: 2.1 A full-sectional front view with the top view in section (9) 2.2 A full-sectional top view (9) 2.3 A full-sectional right view on cutting plane X-X (7) No hidden detail is necessary. FIGURE 2 [25] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -6- T530(E)(M29)T QUESTION 3: ASSEMBLY DRAWING FIGURE 3 shows the primary views of the components of a swivel head. The complete list of parts is as follows: ITEM DESCRIPTION QUANTITY 1 Base 1 2 Swivel head 1 3 Bush 1 4 Shaft 1 5 Collar 1 6 Pin 1 7 Washer 1 8 M16 Hexagonal nut (not shown) 1 3.1 Draw as an assembly drawing, to scale 1 : 1, a full-sectional front view of the assembly. (28) 3.2 Insert item numbers only on the assembly drawing. (2) Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -7- T530(E)(M29)T FIGURE 3 [30] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -8- T530(E)(M29)T QUESTION 4: DETAILED DRAWING FIGURE 4 shows two primary views of a roller-jack assembly. Draw, to scale 1 : 1 and in FIRST-ANGLE ORTHOGRAPHIC PROJECTION, detailed drawings of the following items: 4.1 The roller-jack body (Item 1) showing the following view: A full-sectional front view (6) 4.2 The roller cradle (Item 2) showing the following views: 4.2.1 A full- sectional front view (8) 4.2.2 A full- sectional left view (6) NO hidden detail is necessary. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -9- T530(E)(M29)T FIGURE 4 [20] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -10- T530(E)(M29)T QUESTION 5: ISOMETRIC PROJECTION FIGURE 5 shows the primary views of a component. Construct an isometric scale and then draw an isometric projection of the component. NO hidden detail is necessary. FIGURE 5 [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE NATIONAL CERTIFICATE APRIL EXAMINATION ENGINEERING DRAWING N3 29 MARCH 2016 This marking guideline consists of 6 pages. Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -2- T530(E)(M29)T ENGINEERING DRAWING N3 QUESTION 1 [10] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -3- T530(E)(M29)T ENGINEERING DRAWING N3 QUESTION 2 [25] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -4- T530(E)(M29)T ENGINEERING DRAWING N3 QUESTION 3 [30] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -5- T530(E)(M29)T ENGINEERING DRAWING N3 QUESTION 4 [20] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -6- T530(E)(M29)T ENGINEERING DRAWING N3 QUESTION 5 [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com

T540(E)(J31)T AUGUST EXAMINATION NATIONAL CERTIFICATE ENGINEERING DRAWING N3 (8090283) 31 JULY 2015 (Y-Paper) 13:00–17:00 REQUIREMENT: 1 A2 drawing sheet This question paper consists of 11 pages and 1 A3 prepared sheet Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -2- T540(E)(J31)T DEPARTMENT OF HIGHER EDUCATION AND TRAINING REPUBLIC OF SOUTH AFRICA NATIONAL CERTIFICATE ENGINEERING DRAWING N3 TIME: 4 HOURS MARKS: 100 1. Answer ALL the questions. 2. Read ALL the questions carefully. 3. Number the answers according to the numbering system used in this question paper. 4. Use both sides of the drawing sheet. 5. A 15 mm border must be drawn on both sides of the drawing sheet. 6. ALL drawing work including candidate information must be done in pencil. 7. A radius curve stencil may be used to draw smaller arcs. 8. Unspecified radii must be R3. 9. A balanced layout is very important and candidates will be penalised for poor planning. 10. ALL drawing work must conform to the latest SANS 10111 Code of Practice for Engineering Drawing. 11. Work neatly. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -3- T540(E)(J31)T MARK ALLOCATION QUESTION 1: FREEHAND DRAWING (10) Correctness 5 Line work 2 Accuracy and proportion 2 Layout and neatness 1 QUESTION 2: SECTIONAL DRAWING (25) 2.1 Correctness – Full-sectional front view 5 2.2 Correctness – Full-sectional top view 6 2.3 Correctness – Full-sectional left view 6 Line work 3 Accuracy 3 Layout and neatness 2 QUESTION 3: ASSEMBLY DRAWING (30) 3.1 Correctness – assembly of components, full-sectional drawing 18 Line work 5 Accuracy 5 Layout and neatness 2 QUESTION 4: DETAIL DRAWING (20) 4.1.1 Correctness – Full-sectional front view (Item 1) 5 4.1.2 Correctness – Top view (Item 1) 4 4.2.1 Correctness – Half-sectional front view (Item 2) 3 Line work – 1 mark per view 3 Accuracy – 1 mark per view 3 Layout and neatness 2 QUESTION 5: PERSPECTIVE DRAWING (15) Correctness 6 Line work 3 Accuracy 3 SP + LVP + RVP 3 TOTAL 100 Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -4- T540(E)(J31)T QUESTION 1: FREEHAND DRAWING Figure 1 shows a full-sectional front view of a pulley assembly. Make a freehand drawing of the given view, approximately full size. FIGURE 1 [10] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -5- T540(E)(J31)T QUESTION 2: SECTIONAL DRAWING Figure 2 shows two primary views of a component. Draw, to scale 1 : 1 and in first-angle orthographic projection, the following views of the component: 2.1 A full-sectional front view on cutting plane X–X (8) 2.2 A full-sectional top view on cutting plane Y–Y (8) 2.3 A full-sectional left view on cutting plane Z–Z (9) Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -6- T540(E)(J31)T [25] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -7- T540(E)(J31)T QUESTION 3: ASSEMBLY DRAWING Figure 3 on the next page shows the primary views of the components of an adjustable support for a lathe. The complete list of parts is as follows: ITEM DESCRIPTION QUANTITY 1 Mounting bracket 1 2 Centre plate 1 3 Holder 1 4 M10 square head bolt 1 5 Washer 1 6 M10 hexagonal nut 1 Draw, as an assembly drawing to scale 2 : 1, a full-sectional front view of the assembly. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -8- T540(E)(J31)T [30] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -9- T540(E)(J31)T QUESTION 4: DETAILED DRAWING Figure 4 on the next page shows a full-sectional front view and a full-sectional top view on cutting plane X–X of a horizontal disc mounting tool. Draw, to scale 1 : 1 and in first-angle orthographic projection, detailed drawings of the following items: 4.1 The mounting bracket (Item 1) showing the following views: 4.1.1 A full front view (8) 4.1.2 A top view (7) 4.2 A half-sectional front view of the mounting disc (Item 2) with the right half in section (5) No hidden detail is necessary. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -10- T540(E)(J31)T Copyright reserved Downloaded from hlayiso.com Please turn over[20]

(8090283) -11- T540(E)(J31)T QUESTION 5: PERSPECTIVE DRAWING NOTE: THIS QUESTION MUST BE ANSWERED ON THE PREPARED SHEET AND ATTACHED TO THE DRAWING SHEET. Use the information shown on the prepared ANSWER SHEET to draw a neat two-point perspective view of the machined block. Point A is situated in line with the centre of vision and up against the picture plane. Line AB vanishes to the right at 30º. The distance of the eye in front of the picture plane is 100 mm. No hidden detail is necessary. [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com

(8090283) T540(E)(J31)T Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE NATIONAL CERTIFICATE AUGUST EXAMINATION ENGINEERING DRAWING N3 31 JULY 2015 This marking guideline consists of 8 pages. Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -2- T540(E)(J31)T ENGINEERING DRAWING N3 MARK ALLOCATION FOR CORRECTNESS – AUGUST 2015 (This guideline must be used in conjunction with the Marking Guideline) QUESTION 1 1 mark for each of the areas indicated on the marking guideline = 5 marks QUESTION 2 FSFV 3 marks for correct sectioning = 3 marks ½ mark for each of the unsectioned webs = 1 mark ½ mark for the ø16 unsectioned hole = ½ marks ½ mark for the M16 tapped hole = ½ marks TOTAL = 5 marks FSTV ½ mark for correctly sectioning each of the 4 webs = 2 marks ½ mark for each of the 2 unsectioned areas of the webs = 1 mark ½ mark for each unsectioned areas of the base = 2 marks 1 mark all 4 ø10 holes on the base = 1 mark TOTAL = 6 marks FSLV 3 marks for correct sectioning of the left view = 3 marks ½ mark for each of the 2 unsectioned webs = 1 mark ½ mark for each of the 2 unsectioned countersunk holes = 1 mark 1 mark the unsectioned ø16 hole = 1 mark TOTAL = 6 marks QUESTION 3 1 mark for each of items 1 to 6 correctly assembled = 6 marks Item 1: 1 mark for correct sectioning = 1 mark 1 mark for the unsectioned bottom area = 1 mark 1 mark for the unsectioned area on the top left of the item = 1 mark 1 marks for the unsectioned part of the 35 x 10 slot = 1 mark Item 2: Correct sectioning = 2 marks Item 3: Correct sectioning = 2 marks Unsectioned web = 1 mark Unsectioned tapped hole = 1 mark Item 4: Unsectioned bolt = 1 mark Item 5: Unsectioned washer = 1 mark TOTAL = 18 marks Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -3- T540(E)(J31)T ENGINEERING DRAWING N3 QUESTION 4 FSFV (Item 1) 1 mark correct sectioning on the left of the centre line = 1 mark 1 mark correct sectioning on the right of the centre line = 1 mark 1 marks for the unsectioned protruding portion = 1 mark ½ mark for the each unsectioned web = 1 mark ½ mark for the unsectioned ø18 hole = ½ mark ½ mark for the unsectioned ø4 hole = ½ mark TOTAL = 5 marks TV (Item 1) ½ mark for each unsectioned protruding portion = 1 mark ½ mark for each circle = 1 mark ½ mark for each unsectioned 10 mm web = 1 mark ½ mark for the unsectioned 6 mm web = ½ mark ½ mark for the 10 x 50 mm area = ½ mark TOTAL = 4 marks HSLV (Item 2) ½ mark for correct sectioning = ½ mark ½ mark for the unsectioned ø6 hole = ½ mark ½ mark each for the unsectioned ø24 and ø 16 holes = 1 mark ½ mark for the unsectioned “flange” = ½ mark ½ mark for the unsectioned “flange base” = ½ mark TOTAL = 3 marks QUESTION 5 See marking guideline for allocation of marks = 6 marks Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -4- T540(E)(J31)T ENGINEERING DRAWING N3 QUESTION 1 Copyright reserved Downloaded from hlayiso.com Please turn over[10]

MARKING GUIDELINE -5- T540(E)(J31)T ENGINEERING DRAWING N3 QUESTION 2 [25] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -6- T540(E)(J31)T ENGINEERING DRAWING N3 QUESTION 3 (This answer to be replaced by corrected answer- arrangements have been made with internal moderator/examiner to make changes and to print hardcopies. The external moderator will collect them from newcastle and courier to umalusi to forward to dhet) [30] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -7- T540(E)(J31)T ENGINEERING DRAWING N3 QUESTION 4 (THE ANSWER TO BE REPLACED WITH ENGLISH VERSION OF MARK ALLOCATION - ARRANGEMENTS HAVE BEEN MADE WITH INTERNAL MODERATOR/EXAMINER TO MAKE CHANGES AND TO PRINT HARDCOPIES. THE EXTERNAL MODERATOR WILL COLLECT THEM FROM NEWCASTLE AND COURIER TO UMALUSI TO FORWARD TO DHET) [20] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -8- T540(E)(J31)T ENGINEERING DRAWING N3 QUESTION 5 [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com

T560(E)(N27)T NOVEMBER EXAMINATION NATIONAL CERTIFICATE ENGINEERING DRAWING N3 (8090283) 27 November 2014 (Y-Paper) 13:00–17:00 REQUIREMENTS: One A2 drawing paper This question paper consists of 9 pages and 1 addendum. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -2- T560(E)(N27)T DEPARTMENT OF HIGHER EDUCATION AND TRAINING REPUBLIC OF SOUTH AFRICA NATIONAL CERTIFICATE ENGINEERING DRAWING N3 TIME: 4 HOURS MARKS: 100 INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. Read ALL the questions carefully. 3. Number the answers correctly according to the numbering system used in this question paper. 4. Use both sides of the drawing sheet. 5. A 15 mm border must be drawn on both sides of the drawing sheet. 6. ALL drawing work including candidate information must be done in pencil. 7. A radius curve stencil may be used to draw smaller arcs. 8. Unspecified radii must be R3. 9. A balanced layout is very important and candidates will be penalised for poor planning. 10. ALL drawing work must conform to the latest SANS 10111 Code of Practice for Engineering Drawing. 11. Write neatly and legibly. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -3- T560(E)(N27)T MARK ALLOCATION QUESTION 1: FREEHAND DRAWING [10] Correctness 5 Line work 2 Accuracy & Proportion 2 Layout and neatness 1 QUESTION 2: SECTIONAL DRAWING [25] 2.1 Correctness – Full sectional front view 8 2.2 Correctness – Full sectional right view 7 Linework – 2 marks per view 4 Accuracy – 2 marks per view 4 Layout and neatness 2 QUESTION 3: ASSEMBLY DRAWING [30] 3.1 Correctness – assembly of components, full sectional drawing 18 Line work 5 Accuracy 5 Layout and neatness 2 QUESTION 4: DETAIL DRAWING [20] 4.1.1 Correctness – Full sectional front view (Item 1) 5 4.2.1 Correctness – Full sectional front view (Item 2) 5 4.3.1 Correctness – Front view (Item 3) 2 Linework – 1 mark per view 3 Accuracy – 1 mark per view 3 Layout and neatness 2 QUESTION 5: PERSPECTIVE DRAWING [15] Correctness 6 Linework 3 Accuracy 3 SP + LVP + RVP 3 TOTAL 100 Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -4- T560(E)(N27)T QUESTION 1: FREE HAND DRAWING FIGURE 1 shows a full sectional front view of a component. Make a freehand drawing of the given view, approximately full size. FIGURE 1 [10] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -5- T560(E)(N27)T QUESTION 2: SECTIONAL DRAWING FIGURE 2 shows two primary views of a component. Draw, to scale 1 : 1 and in third-angle orthographic projection, the following views of the component: 2.1 A full sectional front view (13) 2.2 A full sectional right view on cutting plane X-X (12) FIGURE 2 [25] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -6- T560(E)(N27)T QUESTION 3: ASSEMBLY DRAWING FIGURE 3 shows the primary views of the components of a drive shaft connector. The complete list of parts is as follows: ITEM DESCRIPTION QUANTITY 1 Left fork end 1 2 Centre piece 1 3 Right fork end 1 4 Left drive shaft 1 5 Right drive shaft 1 6 Pin 2 7 Collar 2 8 Pin 2 Draw as an assembly drawing, to scale 1 : 1, a full sectional front view of the assembly. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -7- T560(E)(N27)T PASTE FIGURE 3 FIGURE 3 [30] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -8- T560(E)(N27)T QUESTION 4: DETAILED DRAWING FIGURE 4 shows the front view of a cone clutch assembly. Draw, to scale 1 : 1 and in first-angle orthographic projection, detailed drawings of the following items: 4.1 The driving drum (Item 1) showing the following view: 4.1.1 A full sectional front view (7) 4.2 The driven drum (Item 2) showing the following view: 4.2.1 A full sectional front view (8) 4.3 The drive shaft (Item 3) showing the following view: 4.3.1 A front view (5) No hidden detail is necessary. FIGURE 4 [20] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -9- T560(E)(N27)T QUESTION 5: PERSPECTIVE DRAWING NOTE: THIS QUESTION MUST BE ANSWERED ON THE PREPARED A3 ANSWER SHEET AND ATTACHED TO THE DRAWING PAPER. Use the information shown on the prepared A3 ANSWER SHEET to draw a neat two- point perspective view of the machined block. Point A is situated in line with the centre of vision and up against the picture plane. Line AB vanishes to the left at 60°. The distance of the eye in front of the picture plane is 120 mm. No hidden detail is necessary. [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -10- T560(E)(N27)T ADDENDUM Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE NATIONAL CERTIFICATE NOVEMBER EXAMINATION ENGINEERING DRAWING N3 27 NOVEMBER 2014 This marking guideline consists of 7 pages. Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -2- T520(E)(N27)T ENGINEERING DRAWING N3 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -3- T520(E)(N27)T ENGINEERING DRAWING N3 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -4- T520(E)(N27)T ENGINEERING DRAWING N3 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -5- T520(E)(N27)T ENGINEERING DRAWING N3 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -6- T520(E)(N27)T ENGINEERING DRAWING N3 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -7- T520(E)(N27)T ENGINEERING DRAWING N3 Copyright reserved Downloaded from hlayiso.com Please turn over

T520(E)(A6)T AUGUST EXAMINATION NATIONAL CERTIFICATE ENGINEERING DRAWING N3 (8090283) 6 August 2014 (Y-Paper) 13:00–17:00 This question paper consists of 10 pages. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -2- T520(E)(A6)T DEPARTMENT OF HIGHER EDUCATION AND TRAINING REPUBLIC OF SOUTH AFRICA NATIONAL CERTIFICATE ENGINEERING DRAWING N3 TIME: 4 HOURS MARKS: 100 INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. Read ALL the questions carefully. 3. Number the answers according to the numbering system used in this question paper. 4. Use BOTH sides of the drawing sheet. 5. A 15 mm border must be drawn on both sides of the drawing sheet. 6. ALL drawing work including candidate information must be done in pencil. 7. A radius curve stencil may be used to draw smaller arcs. 8. Unspecified radii must be R3. 9. A balanced layout is very important and candidates will be penalised for poor planning. 10. ALL drawing work must conform to the latest SANS 10111 Code of Practice for Engineering Drawing. 11. Write neatly and legibly. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -3- T520(E)(A6)T MARK ALLOCATION QUESTION 1: FREEHAND DRAWING (10) Correctness 5 Line work 2 Accuracy and proportion 2 Layout and neatness 1 QUESTION 2: SECTIONAL DRAWING (25) 2.1 Correctness – Full sectional front view 8 2.2 Correctness – Full sectional left view 7 Line work – 2 marks per view 4 Accuracy – 2 marks per view 4 Layout and neatness 2 QUESTION 3: ASSEMBLY DRAWING (30) Correctness – assembly of components, full sectional drawing 18 Line work 5 Accuracy 5 Layout and neatness 2 QUESTION 4: DETAIL DRAWING (20) 4.1.1 Correctness – Full sectional front view (Item 1) 4 4.1.2 Correctness – Left view (Item 1) 4 4.2.1 Correctness – Front view ( Item 2) 4 Line work – 1 mark per view 3 Accuracy – 1 mark per view 3 Layout and neatness 2 QUESTION 5: PERSPECTIVE DRAWING (15) Correctness 8 Line work 2 Accuracy 2 Isometric projection 2 Layout and neatness 1 TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -4- T520(E)(A6)T QUESTION 1: FREEHAND DRAWING Figure 1 shows an isometric view of a component. Make a freehand drawing of the given view, approximately full size. FIGURE 1 [10] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -5- T520(E)(A6)T QUESTION 2: SECTIONAL DRAWING Figure 2 shows two primary views of a component. Draw, to scale 1 : 1 and in first-angle orthographic projection, the following views of the component: 2.1 A full sectional front view on cutting plane X-X (12) 2.2 A full sectional left view on cutting plane Y-Y (13) FIGURE 2 [25] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -6- T520(E)(A6)T QUESTION 3: ASSEMBLY DRAWING Figure 3 on the next page shows the primary views of the components of a tension pulley assembly. The complete list of parts is as follows: ITEM DESCRIPTION QUANTITY 1 Mounting frame 1 2 Wheel 1 3 Bush 1 4 Collar 1 5 Collar 1 6 Shaft 1 7 Washer 1 8 M18 hexagonal nut (not shown) 1 Draw, as an assembly drawing to scale 1 : 1, a half-sectional front view of the assembly with the top half in section. No hidden detail is necessary. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -7- T520(E)(A6)T [30] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -8- T520(E)(A6)T QUESTION 4: DETAILED DRAWING Figure 4 on the next page shows two primary views of a link mechanism assembly. Draw, to scale 1 : 1 and in first-angle orthographic projection, detailed drawings of the following views: 4.1 The frame (Item 1) showing the following views: 4.1.1 A full sectional front view (7) 4.1.2 A left view (6) 4.2 The shaft (Item 2) showing the following view: 4.2.1 A front view (7) No hidden detail is necessary. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -9- T520(E)(A6)T FIGURE 4 [20] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -10- T520(E)(A6)T QUESTION 5: ISOMETRIC PROJECTION Figure 5 shows the primary views of a geometric model. Construct an isometric scale and then draw an isometric projection of the model. No hidden detail is necessary. [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE NATIONAL CERTIFICATE AUGUST EXAMINATION ENGINEERING DRAWING N3 6 AUGUST 2014 This marking guideline consists of 7 pages. Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -2- T520(E)(A6)T ENGINEERING DRAWING N3 QUESTION 1 [10] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -3- T520(E)(A6)T ENGINEERING DRAWING N3 QUESTION 2 [25] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -4- T520(E)(A6)T ENGINEERING DRAWING N3 QUESTION 3 MARK ALLOCATION CORRECTNESS 18% LINE WORK 5% ACCURACY 5% LAYOUT AND NEATNESS 2% TOTAL 30% [30] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -5- T520(E)(A6)T ENGINEERING DRAWING N3 QUESTION 4 [20] Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -6- T520(E)(A6)T ENGINEERING DRAWING N3 QUESTION 5 [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

-2- MARKING GUIDELINE -7- T520(E)(A6)T ENGINEERING DRAWING N3 MARK ALLOCATION QUESTION 1: FREEHAND DRAWING (10) Correctness 5 Line work 2 Accuracy and proportion 2 Layout and neatness 1 QUESTION 2: SECTIONAL DRAWING (25) 2.1 Correctness – Full sectional front view 8 2.2 Correctness – Full sectional left view 7 Line work – 2 marks per view 4 Accuracy – 2 marks per view 4 Layout and neatness 2 QUESTION 3: ASSEMBLY DRAWING (30) Correctness – assembly of components, full sectional drawing 18 Line work 5 Accuracy 5 Layout and neatness 2 QUESTION 4: DETAIL DRAWING (20) 4.1.1 Correctness – Full sectional front view (Item 1) 4 4.1.2 Correctness – Left view (Item 1) 4 4.2.1 Correctness – Front view ( Item 2) 4 Line work – 1 mark per view 3 Accuracy – 1 mark per view 3 Layout and neatness 2 QUESTION 5: PERSPECTIVE DRAWING (15) Correctness 8 Line work 2 Accuracy 2 Isometric projection 2 Layout and neatness 1 TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -1- T560(E)(A9)T T520(E)(A9)T APRIL EXAMINATION NATIONAL CERTIFICATE ENGINEERING DRAWING N3 (8090283) 9 April 2014 (Y-Paper) 13:00–17:00 This question paper consists of 10 pages and an A3 answer sheet. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -2- T520(E)(A9)T DEPARTMENT OF HIGHER EDUCATION AND TRAINING REPUBLIC OF SOUTH AFRICA NATIONAL CERTIFICATE ENGINEERING DRAWING N3 TIME: 4 HOURS MARKS: 100 INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. Read ALL the questions carefully. 3. Number the answers according to the numbering system used in this question paper. 4. Use BOTH sides of the drawing sheet. 5. A 15 mm border must be drawn on both sides of the drawing sheet. 6. ALL drawing work including candidate information must be done in pencil. 7. A radius curve stencil may be used to draw smaller arcs. 8. Unspecified radii must be R3. 9. A balanced layout is very important and candidates will be penalised for poor planning. 10. ALL drawing work must conform to the latest SANS 10111 Code of Practice for Engineering Drawing. 11 Write neatly and legibly. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -3- T520(E)(A9)T MARK ALLOCATION QUESTION 1: FREEHAND DRAWING (10) Correctness 5 Line work 2 Accuracy and proportion 2 Layout and neatness 1 QUESTION 2: SECTIONAL DRAWING (25) 2.1 Correctness – Full sectional front view 8 2.2 Correctness – Full sectional top view 7 Line work – 2 marks per view 4 Accuracy – 2 marks per view 4 Layout and neatness 2 QUESTION 3: ASSEMBLY DRAWING (30) 3.1 Correctness – assembly of components, full sectional drawing 18 Line work 5 Accuracy 5 Layout and neatness 2 QUESTION 4: DETAIL DRAWING (20) 4.1.1 Correctness – Full sectional front view (Item 1) 4 4.1.2 Correctness – Left view (Item 1) 3 4.2.1 Correctness – Half sectional front view (Item 2) 5 Line work – 1 mark per view 3 Accuracy – 1 mark per view 3 Layout and neatness 2 QUESTION 5: PERSPECTIVE DRAWING (15) Correctness 6 Line work 3 Accuracy 3 SP + LVP + RVP 3 TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -4- T520(E)(A9)T QUESTION 1: FREEHAND DRAWING FIGURE 1 shows a half-sectional front view of a component. Make a freehand drawing of the given view, approximately full size. [10] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -5- T520(E)(A9)T QUESTION 2: SECTIONAL DRAWING FIGURE 2 shows two primary views of a component. Draw, to scale 1 : 1 and in first-angle orthographic projection, the following views of the component: 2.1 A full sectional front view (13) 2.2 A full sectional top view on cutting plane X-X (12) [25] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -6- T520(E)(A9)T QUESTION 3: ASSEMBLY DRAWING FIGURE 3 shows the primary views of the components of a pivot support assembly. The complete list of parts is as follows: ITEM DESCRIPTION QUANTITY 1 Base 1 2 Coupling block 1 3 Bush 1 4 Washer 1 5 Bolt 1 6 M18 hexagonal nut (not shown) 1 Draw, as an assembly drawing to scale 1 : 1, a full sectional front view of the assembly on cutting plane X-X. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -7- T520(E)(A9)T [30] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -8- T520(E)(A9)T QUESTION 4: DETAILED DRAWING FIGURE 4 shows a front view and a full sectional left view of a belt-drive assembly. Draw, to scale 1 : 1 and in first-angle orthographic projection, detailed drawings of the following items: 4.1 The frame (Item 1) showing the following view: 4.1.1 A full sectional front view (7) 4.1.2 A left view (6) 4.2 The pulley (Item 2) showing the following view: 4.2. A half-sectional front view with the top half in section (7) No hidden detail is necessary. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -9- T520(E)(A9)T [20] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -10- T520(E)(A9)T QUESTION 5: PERSPECTIVE DRAWING NOTE: THIS QUESTION MUST BE ANSWERED ON THE PREPARED ANSWER SHEET AND ATTACHED TO THE DRAWING SHEET. Use the information shown on the prepared ANSWER SHEET to draw a neat two-point perspective view of the machined block. Point A is situated in line with the centre of vision and up against the picture plane. Line AB vanishes to the left at 30º. The distance of the eye in front of the picture plane is 110 mm. No hidden detail is necessary. [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -11- T560(E)(A9)T ANSWER SHEET Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -1- T520(E)(A9)T ENGINEERING DRAWING N3 MARKING GUIDELINE NATIONAL CERTIFICATE APRIL EXAMINATION ENGINEERING DRAWING N3 9 APRIL 2014 This marking guideline consists of 8 pages. Downloaded from hlayiso.com Copyright reserved Please turn over

MARKING GUIDELINE -2- T520(E)(A9)T ENGINEERING DRAWING N3 Downloaded from hlayiso.com Copyright reserved Please turn over

MARKING GUIDELINE -3- T520(E)(A9)T ENGINEERING DRAWING N3 Downloaded from hlayiso.com Copyright reserved Please turn over

MARKING GUIDELINE -4- T520(E)(A9)T ENGINEERING DRAWING N3 Downloaded from hlayiso.com Copyright reserved Please turn over

MARKING GUIDELINE -5- T520(E)(A9)T ENGINEERING DRAWING N3 Downloaded from hlayiso.com Copyright reserved Please turn over

MARKING GUIDELINE -6- T520(E)(A9)T ENGINEERING DRAWING N3 Downloaded from hlayiso.com Copyright reserved Please turn over

MARKING GUIDELINE -7- T520(E)(A9)T ENGINEERING DRAWING N3 Downloaded from hlayiso.com Copyright reserved Please turn over

MARKING GUIDELINE -8- T520(E)(A9)T ENGINEERING DRAWING N3 MARK ALLOCATION FOR CORRECTNESS – APRIL 2014 (This guideline MUST be used in conjunction with the Marking Guideline) QUESTION 1 2 marks for each of the sectioned top half = 2 marks 3 marks for the unsectioned bottom half = 3 marks TOTAL = 5 marks QUESTION 2 FSFV 4 marks for correct sectioning = 4 marks 1 mark for each of the unsectioned web = 2 mark 1 mark for each of the unsectioned holes = 2 marks TOTAL = 8 marks FSTV 3 marks for correct sectioning = 3 marks 2 marks for the unsectioned base = 2 marks 1 mark for the unsectioned hole = 1 marks 1 mark for the unsectioned portion of the web = 1 marks TOTAL = 7 marks QUESTION 3 1 mark for each of items 1 to 6 in the correct position) = 6 marks Item 1: 1½ mark for each correctly sectioned part = 3 marks 1 mark for the unsectioned top part (curved portion) = 1 mark ½ for each line up to where sectioning is done = 1 mark ½ for each hole = 1 mark 1 mark for the unsectioned base = 1 mark ½ mark for the line showing the edge of the base = ½ mark ½ mark for the line showing the step on the base = ½ mark Correct sectioning of : Item 2 = 2 marks Item 3 = 1 mark Item 5 (ie for NOT sectioning) = 1 mark TOTAL = 18 marks QUESTION 4 FSFV (Item 1) 3 marks for the view being correctly sectioned = 3 marks ½ mark for the unsectioned hole = ½ mark ½ mark for the unsectioned web = ½ mark TOTAL = 4 marks LV (Item 1) ½ mark for the hole = ½ mark ½ mark for the cylinder at the top = ½ mark ½ mark for the each of the webs = 1½ mark ½ mark for the base = ½ mark TOTAL = 3 marks HSFV (Item 2) 2 marks for correct sectioning in the top half = 2 marks ½ mark for the unsectioned hole in the top half = ½ mark 1 mark for the unsectioned portion in the top half = 1 mark 1½ for the unsectioned bottom half = 1½ marks TOTAL = 5 marks QUESTION 5 Allocate marks as indicated on the Marking Guideline = 6 marks Downloaded from hlayiso.com Copyright reserved Please turn over

T570(E)(N22)T NOVEMBER EXAMINATION NATIONAL CERTIFICATE ENGINEERING DRAWING N3 (8090283) 22 November 2013 (X-Paper) 09:00–13:00 REQUIREMENTS: ONE A2 drawing sheet. Drawing instruments and calculators may be used. This question paper consists of 10 pages. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -2- T570(E)(N22)T DEPARTMENT OF HIGHER EDUCATION AND TRAINING REPUBLIC OF SOUTH AFRICA NATIONAL CERTIFICATE ENGINEERING DRAWING N3 TIME: 4 HOURS MARKS: 100 INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. Read ALL the questions carefully. 3. Number the answers according to the numbering system used in this question paper. 4. Use both sides of the drawing paper. 5. A 15 mm border must be drawn on both sides of the drawing sheet. 6. ALL drawing work, including candidate information, must be done in pencil. 7. A radius curve stencil may be used to draw smaller arcs. 8. Unspecified radii must be R3. 9. A balanced layout is very important and candidates will be penalised for poor planning. 10. ALL drawing work must conform to the latest SANS 10111 Code of Practice for Engineering Drawing. 11. Write neatly and legibly. Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -3- T570(E)(N22)T MARK ALLOCATION QUESTION 1: FREEHAND DRAWING (10) Correctness 5 Line work 2 Accuracy and proportion 2 Layout and neatness 1 QUESTION 2: SECTIONAL DRAWING (25) 2.1 Correctness – Full sectional front view 8 2.2 Correctness – Full sectional right view 7 Line work – 2 marks per view 4 Accuracy – 2 marks per view 4 Layout and neatness 2 QUESTION 3: ASSEMBLY DRAWING (30) Correctness – assembly of components, half-sectional drawing 18 Line work 5 Accuracy 5 Layout and neatness 2 QUESTION 4: DETAIL DRAWING (20) 4.1.1 Correctness – Half sectional front view (Item 1) 4 4.2.1 Correctness – Full sectional front view (Item 2) 4 4.2.2 Correctness – Full sectional top view (Item 2) 4 Line work – 1 mark per view 3 Accuracy – 1 mark per view 3 Layout and neatness 2 QUESTION 5: ISOMETRIC PROJECTION (15) Correctness 8 Line work 2 Accuracy 2 Isometric scale 2 Layout and neatness 1 TOTAL 100 Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -4- T570(E)(N22)T QUESTION 1: FREEHAND DRAWING FIGURE 1 shows a full-sectional front view of a component. Make a freehand drawing of the given view, approximately full size. [10] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -5- T570(E)(N22)T QUESTION 2: SECTIONAL DRAWING FIGURE 2 shows two primary views of a component. Draw, to scale 1 : 1 and in third-angle orthographic projection, the following views of the component: 2.1 A full-sectional front view (13) 2.2 A full-sectional right view on cutting plane X-X (12) [25] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -6- T570(E)(N22)T QUESTION 3: ASSEMBLY DRAWING FIGURE 3 shows the primary views of the components of an overhead rail carrier. The complete list of parts is as follows: ITEM DESCRIPTION QUANTITY 1 Wheel disc 2 2 Body 1 3 Bush 2 4 Shaft 1 5 Stud 1 6 M20 hexagonal nut 2 Draw, as an assembly drawing to scale 1 : 1, a half-sectional front view of the assembly with the left half in section. No hidden detail is required on the half not in section. [30] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -7- T570(E)(N22)T Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -8- T570(E)(N22)T QUESTION 4: DETAILED DRAWING FIGURE 4 shows two primary views of a scribing block assembly. Draw, to scale 1 : 1 and in first-angle orthographic projection, detailed drawings of the following items: 4.1 The base (Item 1) showing the following view: A half-sectional front view with the right half in section (6) 4.2 The clamp (Item 2) showing the following views: 4.2.1 A full-sectional front view (7) 4.2.2 A full-sectional top view (7) No hidden detail is necessary. [20] Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -9- T570(E)(N22)T Copyright reserved Downloaded from hlayiso.com Please turn over

(8090283) -10- T570(E)(N22)T QUESTION 5: ISOMETRIC PROJECTION FIGURE 5 shows the primary views of a geometric model. Construct an isometric scale and then draw an isometric projection of the model. No hidden detail is necessary. [15] TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -1- T570(E)(N22)T ENGINEERING DRAWING N3 MARKING GUIDELINE NATIONAL CERTIFICATE NOVEMBER EXAMINATION ENGINEERING DRAWING N3 22 NOVEMBER 2013 This marking guideline consists of 7 pages. Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -2- T570(E)(N22)T ENGINEERING DRAWING N3 QUESTION 1 Copyright reserved Downloaded from hlayiso.com Please turn over[10]

MARKING MARKINGGUIDELINE GUIDELINE -3- -3- T570(E)(N22)T T570(E)(N22)T ENGINEERING ENGINEERING DRAWING DRAWING N3 N3 QUESTION 2 [25] Copyright reserved Downloaded from hlayiso.comPlease turn over

MARKING GUIDELINE -4- T570(E)(N22)T ENGINEERING DRAWING N3 QUESTION 3 Copyright reserved Downloaded from hlayiso.com Please turn over[30]

MARKING GUIDELINE -5- T570(E)(N22)T MARKING GUIDELINE -5- T570(E)(N22)T ENGINEERING DRAWING N3 ENGINEERING DRAWING N3 QUESTION 4 Downloaded from hlayiso.com [20] Copyright reserved Please turn over

MARKING GUIDELINE -6- T570(E)(N22)T ENGINEERING DRAWING N3 QUESTION 5 [15] Copyright reserved Downloaded from hlayiso.com Please TOTAL: 100 turn over

MARKING GUIDELINE -7- T570(E)(N22)T ENGINEERING DRAWING N3 MARK ALLOCATION FOR CORRECTNESS (This guideline must be in conjunction with the marking guideline) QUESTION 1 ½ mark for each of the threaded holes = 1 mark 1 mark for each of the unsectioned holes = 2 marks 1 mark for each sectioned half = 2 marks TOTAL = 5 marks QUESTION 2 FSFV 3 marks for correct sectioning = 3 marks 1 mark for each of the unsectioned diameters = 3 marks 1 mark for each threaded hole = 2 marks TOTAL 8 marks QUESTION 3 1 mark for each of items 1 to 6 (2 of items 1 & 3) correctly assembled = 8 marks Left half: Correct sectioning of: Item 1 = 2 mark Item 2 (1 for sectioned part, ½ for web) = 1 ½ marks Item 3 = 1 mark Item 4 (ie for NOT sectioning) = ½ mark Item 5 (ie for NOT sectioning) = ½ mark Item 6 (ie for NOT sectioning) = ½ mark Gap between bush (Item 3) and centre line = ½ mark Right half: Item 1 = 1 mark Item 2 (1 for top part, ½ for bottom part, ½ for the web) = 2 marks Item 3 (part that can be seen) = ½ mark TOTAL = 18 marks QUESTION 4 HSFV (Item 1) ½ mark for each unsectioned portion on the left half = 1 mark 2 marks for the view being correctly sectioned = 2 marks ½ mark for the unsectioned Ø8 hole = ½ mark ½ mark for the unsectioned recess at the bottom of Item 1 = ½ mark TOTAL = 4 marks HSFV (Item 2) 1 mark for the sectioned portion on the right = 1 mark 1 mark for the vertical hole = 1 mark 1 mark for the unsectioned Ø5 hole = 1 mark 1mark for the unsectioned part of the left = 1 mark TOTAL = 5 marks FSTV (Item 2) 1 mark for each of the 2 holes = 2 marks 1 mark for sectioning = 1mark 1 mark for the gap (slot) in Item 2 = 1 mark TOTAL = 4 marks QUESTION 5 See marking guideline for allocation of marks = 8 marks Copyright reserved Downloaded from hlayiso.com Please turn over

T580(E)(J29) AUGUST EXAMINATION NATIONAL CERTIFICATE ENGINEERING DRAWING N3 (8090283) 29 July 2013 (X-Paper) 09:00–13:00 This question paper consists of 9 pages. Copyright reserved dhet Downloaded from hlayiso.com Please turn over

(8090283) -2- T580(E)(J29)T DEPARTMENT OF HIGHER EDUCATION AND TRAINING REPUBLIC OF SOUTH AFRICA NATIONAL CERTIFICATE ENGINEERING DRAWING N3 TIME: 4 HOURS MARKS: 100 INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. Read ALL the questions carefully. 3. Number the answers according to the numbering system used in this question paper. 4. Use both sides of the drawing sheet. 5. A 15 mm border must be drawn on both sides of the drawing sheet. 6. ALL drawing work including candidate information must be done in pencil. 7. A radius curve stencil may be used to draw smaller arcs. 8. Unspecified radii must be R3. 9. A balanced layout is very important and candidates will be penalised for poor planning. 10. ALL drawing work must conform to the latest SABS 0111 Code of Practice for Engineering Drawing. Copyright reserved dhet Downloaded from hlayiso.com Please turn over

(8090283) -3- T580(E)(J29)T MARK ALLOCATION QUESTION 1: FREEHAND DRAWING (10) Correctness 4 Line work 2 Accuracy 2 Proportion 2 QUESTION 2: SECTIONAL DRAWING (25) 2.1 Correctness – Full sectional front view 7 2.2 Correctness – Full sectional top view 8 Line work – 2 marks per view 4 Accuracy – 2 marks per view 4 Layout and neatness 2 QUESTION 3: ASSEMBLY DRAWING (30) 3.1 Correctness – assembly of components, full sectional drawing 18 Line work 5 Accuracy 5 Layout and neatness 2 QUESTION 4: DETAIL DRAWING (20) 4.1.1 Correctness – Half sectional front view (Item 1) 6 4.1.2 Correctness – Full sectional right view (Item 1) 6 Line work – 1½ marks per view 3 Accuracy – 1½ marks per view 3 Layout and neatness 2 QUESTION 5: PERSPECTIVE DRAWING (15) Correctness 8 Line work 2 Accuracy 2 Isometric Projection 2 Layout and neatness 1 TOTAL 100 Copyright reserved dhet Downloaded from hlayiso.com Please turn over

(8090283) -4- T580(E)(J29)T QUESTION 1: FREE HAND DRAWING Figure 1 shows a full sectional front view of a lubricator. Make a freehand drawing of the given view, approximately full size. FIGURE 1 [10] Copyright reserved dhet Downloaded from hlayiso.com Please turn over

(8090283) -5- T580(E)(J29)T QUESTION 2: SECTIONAL DRAWING Figure 2 shows two primary views of a component. Draw, to scale 1 : 1 and in third-angle orthographic projection, the following views of the component: 2.1 A full sectional front view (12) 2.2 A full sectional top view on cutting plane X-X (13) FIGURE 2 [25] Copyright reserved dhet Downloaded from hlayiso.com Please turn over

(8090283) -6- T580(E)(J29)T QUESTION 3: ASSEMBLY DRAWING Figure 3 shows the primary views of the components of a propeller. The complete list of parts is as follows: ITEM DESCRIPTION QUANTITY 1 Body 1 2 Gland 1 3 Pulley 1 4 Propeller 1 5 Bush 1 6 Shaft 1 7 M8 Hexagon head bolt 2 8 M20 Hexagonal nut (not shown) 1 Draw as an assembly drawing, to scale 1 : 1, a full sectional front view of the assembly with the left half in section. Copyright reserved dhet Downloaded from hlayiso.com Please turn over

(8090283) -7- T580(E)(J29)T FIGURE 3 [30] Copyright reserved dhet Downloaded from hlayiso.com Please turn over

(8090283) -8- T580(E)(J29)T QUESTION 4: DETAILED DRAWING Figure 4 shows two primary views of a release valve. Draw, to scale 1 : 1 and in third-angle orthographic projection, detailed drawings of the body (Item 1) showing the following view: 4.1 A half sectional front view with the right half in section (10) 4.2 A full sectional right view on cutting plane X-X (10) No hidden detail is necessary. FIGURE 4 [20] Copyright reserved dhet Downloaded from hlayiso.com Please turn over

(8090283) -9- T580(E)(J29)T QUESTION 5: ISOMETRIC PROJECTION Figure 5 shows the primary views of a geometric model. Construct an isometric scale and then draw an isometric projection of the model. No hidden detail is necessary. FIGURE 5 [15] TOTAL: 100 Copyright reserved dhet Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE NATIONAL CERTIFICATE AUGUST EXAMINATION ENGINEERING DRAWING N3 29 JULY 2013 This marking guideline consists of 7 pages. Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -2- T580(E)(J29)T ENGINEERING DRAWING N3 MARK ALLOCATION FOR CORRECTNESS (This guideline must be used in conjunction with the Marking Guideline) QUESTION 1 See marking guideline for mark allocation = 5 marks QUESTION 2 FSFV 1 mark for each part correctly sectioned = 4 marks 1 mark for each of the centre part not sectioned = 2 marks ½ mark for each unsectioned hole = 1 mark TOTAL = 7 marks FSTV 4 marks for correct sectioning = 4 marks 1 mark for each unsectioned “flange” = 2 marks ½ mark for each unsectioned hole = 1 mark 1 mark for the centre square hole (unsectioned) = 1 mark TOTAL = 8 marks QUESTION 3 1 mark for each of items 1 to 8 (2 off Item 7) = 9 marks Correct sectioning of : Item 1 = 2 marks Item 2 = 2 marks Item 3 = 2 marks Item 4 = 1 mark Item 5 = 1 mark Item 6 (ie for NOT sectioning) = 1 mark Item 8 (ie for NOT sectioning) TOTAL = 18 marks QUESTION 4 HSFV (Item 1) 1 mark for each unsectioned portion on the left = 2 marks ½ mark for each part being correctly sectioned = 1 mark ½ mark for each unsectioned portion on the right of centre line = 2½ marks ½ mark for the unsectioned threaded hole = ½ mark TOTAL = 6 marks FSRV (Item 1) ½ mark for each unsectioned vertical hole = 1½ marks ½ mark for the horizontal hole = ½ mark 1½ marks for the sectioning of each half = 3 marks ½ mark for each unsectioned threaded hole = 1 mark TOTAL = 6 marks QUESTION 5 See marking guideline for mark allocation = 8 marks Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -3- T580(E)(J29)T ENGINEERING DRAWING N3 QUESTION 1 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -4- T580(E)(J29)T ENGINEERING DRAWING N3 QUESTION 2 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -5- T580(E)(J29)T ENGINEERING DRAWING N3 QUESTION 3 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -6- T580(E)(J29)T ENGINEERING DRAWING N3 QUESTION 4 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -7- T580(E)(J29)T ENGINEERING DRAWING N3 QUESTION 5 TOTAL: 100 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -1- T600(E)(J27)T ENGINEERING DRAWING N3 MARKING GUIDELINE NATIONAL CERTIFICATE AUGUST EXAMINATION ENGINEERING DRAWING N3 27 JULY 2012 This marking guideline consists of 7 pages. Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -2- T600(E)(J27)T ENGINEERING DRAWING N3 COIL FORMER SCALE 1 : 1 MARK ALLOCATION CORRECTNESS 18% LINE WORK 5% ACCURACY 5% TITLE & SCALE 2% TOTAL 20% Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -3- T600(E)(J27)T ENGINEERING DRAWING N3 MARK ALLOCATION CORRECTNESS: FSFV 6% FSRV 6% LINE WORK 4% ACCURACY 4% TOTAL 20% Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -4- T600(E)(J27)T ENGINEERING DRAWING N3 Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -5- T600(E)(J27)T ENGINEERING DRAWING N3 MARK ALLOCATION CORRECTNESS: FSFV (ITEM 2) 4% TV (ITEM 2) 4% FSFV (ITEM 1) 3% LINE WORK 3% ACCURACY & PROPORTION 3% TOTAL 20% Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -6- T600(E)(J27)T ENGINEERING DRAWING N3 MARK ALLOCATION CORRECTNESS 4% LINE WORK 3% ACCURACY & PROPORTION 3% TOTAL 10% Copyright reserved Downloaded from hlayiso.com Please turn over

MARKING GUIDELINE -7- T600(E)(J27)T ENGINEERING DRAWING N3 MARK ALLOCATION CORRECTNESS 7% LINE WORK 3% ACCURACY 3% SCALE 2% TOTAL 15% Copyright reserved Downloaded from hlayiso.com Please turn over

T600(E)(J27)T AUGUST 2012 NATIONAL CERTIFICATE ENGINEERING DRAWING N3 (8090283) 27 July (X-Paper) 09:00 – 13:00 REQUIREMENTS: One A2 drawing sheet Drawing instruments This question paper consists of 7 pages and an A3-size answer sheet. Downloaded from hlayiso.com Please turn over DHET Copyright reserved

-2- T600(E)(J27)T DEPARTMENT OF HIGHER EDUCATION AND TRAINING REPUBLIC OF SOUTH AFRICA NATIONAL CERTIFICATE ENGINEERING DRAWING N3 TIME: 4 HOURS MARKS: 100 ________________________________________________________________________ INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. Read ALL the questions carefully. 3. Number the answers correctly according to the numbering system used in this question paper. 4. Use BOTH sides of the DRAWING SHEET. 5. A 15 mm border must be drawn on both sides of the drawing sheet. 6. ALL drawing work, including candidate information, must be done in pencil. 7. A radius curve stencil may be used to draw smaller arcs. 8. Unspecified radii must be R3. 9. A balanced layout is very important and candidates will be penalised for poor planning. 10. ALL drawing work must conform to the latest SABS 0111 Code of Practice for Engineering Drawing. 11. Write neatly and legibly. Downloaded from hlayiso.com Please turn over DHET Copyright reserved

-3- T600(E)(J27)T QUESTION 1: ASSEMBLY DRAWING FIGURE 1 shows the primary views of the components of a coil former. The complete list of parts is as follows: Item 1 .......... Body …………............................. 1 off .......... Cast iron Item 2 .......... End piece ................................... 1 off .......... Cast iron Item 3 .......... Bush ........................................... 2 off .......... Mild steel Item 4 .......... Former ……................................ 1 off .......... Mild steel Item 5 .......... Arm ............................................. 1 off .......... Mild steel Item 6 .......... Collar .......................................... 1 off .......... Mild steel Item 7 .......... Shaft ........................................... 1 off .......... Mild steel Item 8 ……... Pin ……………………………….. 2 off …….. Mild steel Item 9 ……... M10 hexagon head bolt ……….. 1 off …….. Mild steel 1.1 Draw as an assembly drawing, to scale 1 : 1, a full-sectional front view of the assembly. (28) 1.2 Insert a suitable title and scale centrally below the drawing. (2) DHET Copyright reserved Downloaded from hlayiso.com Please turn over

-4- T600(E)(J27)T Downloaded from DHET Copyright reserved hlayiso.com FIGURE 1 Please turn over [30]

-5- T600(E)(J27)T QUESTION 2: SECTIONAL DRAWING FIGURE 2 shows TWO primary views of a component. Draw, to scale 1 : 1 and in THIRD-ANGLE ORTHOGRAPHIC PROJECTION, the following views of the component: 2.1 A full-sectional front view (10) 2.2 A full-sectional right view on cutting plane X-X (10) FIGURE 2 [20] QUESTION 3: DETAILED DRAWING FIGURE 3 shows TWO primary views of a jig. Draw, to scale 1 : 1 and in THIRD-ANGLE ORTHOGRAPHIC PROJECTION, detailed drawings of the following items: 3.1 The work piece (Item 2) showing the following views: 3.1.1 A full-sectional front view (7) 3.1.2 A top view (7) Downloaded from hlayiso.com Please turn over DHET Copyright reserved

-6- T600(E)(J27)T 3.2 The body (Item 1) showing the following view: A full-sectional front view NO hidden detail is necessary. (6) FIGURE 3 [20] Downloaded from hlayiso.com Please turn over DHET Copyright reserved

-7- T600(E)(J27)T QUESTION 4: FREEHAND DRAWING FIGURE 4 shows a full-sectional front view of a component. Make a freehand drawing of the given view, approximately full size. FIGURE 4 [10] QUESTION 5: PERSPECTIVE DRAWING NOTE: This question must be answered on the prepared ANSWER SHEET and attached to the DRAWING SHEET. Use the information shown on the prepared ANSWER SHEET to draw a neat two-point perspective view of the machined block. Point A is situated in line with the centre of vision and up against the picture plane. Line AB vanishes to the right at 30°. The distance of the eye in front of the picture plane is 120 mm. (15) Layout, neatness and general impression of the DRAWING SHEET. (5) [20] TOTAL: 100 Downloaded from hlayiso.com Please turn over DHET Copyright reserved