Engineering Graphics and Design Grade 11 P2 2013 QP (Eng)

Downloaded from hlayiso.com INSTRUCTIONS AND INFORMATION 1. The paper consists of FOUR questions. 2. Answer ALL the questions. 3. All drawings must be drawn to scale 1:1, unless otherwise stated. 4. All questions must be answered on the answer sheets provided. 5. All the answer sheets must be re-stapled in numerical sequence and handed in irrespective of whether the question was attempted or not. 6. Careful time management is essential in order to complete all the questions. ISEBE LEMFUNDO LEMPUMA KOLONI 7. Print your name in the block provided on every answer sheet. EASTERN CAPE EDUCATION DEPARTMENT 8. All answers must be drawn accurately and neatly. OOS-KAAP ONDERWYSDEPARTEMENT 9. Any details or dimensions not given must be assumed in good proportion. 10. All drawings are in Third Angle Ortographic Projection unless otherwise indicated. FOR OFFICIAL USE ONLY MODERATED NATIONAL MARK SENIOR CERTIFICATE 1 2 3 4 TOTAL GRADE 11 2 0 0 FINAL CONVERTED CHECKED BY MARK ENGINEERING GRAPHICS AND DESIGN P2 100 NOVEMBER 2013 EXAMINATIONS COMPLETE THE FOLLOWING: NAME NAME MARKS: 200 EXAMINATION CENTRE TIME: 3 hours EXAMINATION CENTRE This question paper consists of 6 pages. Copyright reserved Please turn over 1

Downloaded from hlayiso.com Engineering Graphics and Design/P2 Nsc. EC DBE/November 2013 De gf soles 08 ~ on PCD 68 56 228 M14 SP & O ow QUESTION 1: ANALYTICAL (MECHANICAL) Given: 2 Instructions: t + WOODRUFF KEY ‘Some parts of a piston, the sectional front view and top view of the assembled parts with a le block and a table of questions Complete the table below by neatly answering the questions, which t | WASHER M14 NUT all refer to the accompanying drawings and title block. 1s | Show all calculations. [28] \ av, QUESTIONS ANSWERS 1 | On what date was the drawing first checked? 1 L 2. | From what material is the cover plate manufactured? 1 t ——_—— { 3. | Which drawing method was used to create these drawings? 1 COVER PLATE INNER RING 4 | Whats the indicated scale that was used to draw the assembly? 1 5. | Whats the tolerance allowed on the dimensions? 1 g | On the COVER PLATE, what does the abbreviation ‘PCD’ stand for in the 2 dimension? 7 | Calculate the degree of the angle at A? 2 g_| fa standard size M14 nut was used, calculate what would the thickness (B) 2 of the nut be? 9 | Whatis feature C called? 1 10 | What is the reason for the double arrows at D? 2 11 | What type of section is shown at E? 1 12 | What type of section is shown on the assembled front view? 1 13 | How many parts are used in the complete assembly of the piston? 1 D) i 14 | What is the purpose of a key on a shaft in an assembly? 2 15 | Was the suggested revision on the drawing implemented? 1 OUTER RING 16 Draw the arows for the cutting plane located on the top view of the assembly 4 47 | Inthe box below (ANSWER 17), draw, in neat freehand, the symbol for the 4 projection system used. ASSEMBLED VIEWS, PARTS LIST TOTAL 28 PART QUANTITY MATERIAL, ANSWER 17 losi0112013 TULANI REMOVE KEY ON SHAFT 1 PISTON (not shown) 1 CAST IRON ALL DIMENSIONS ARE IN MILLIMETRES. DATE CHANGED BY REVISION DESCRIPTION No . SHAFT 1 MILD STEEL UNLESS OTHERWISE DRAWN BY: PAULA DRAWING SET NO. 2 OF 3 MATERIAL: VARIOUS: COVER PLATE 1 CAST IRON _ ‘SPECIFIED, TOLERANCES : ITER RIN 2 MILD STEEL SPECIFIED, TOLERANCES | pate: 20/11/2012 FILE NAME: SH-03-2011 HEAT TREATMENT: NONE ou 5 s S08 CHECKED BY: PETER M IC RO STEEL SUTTON ROAD INNER RING 1 MILD STEEL SYDENHAM ALL UNSPECIFIED RADI DATE: 30/11/2012 MANUFACTURING 6001 WASHER 1 MILD STEEL BEG www.microsteel.co.za M14 NUT 1 MILD STEEL APPROVED BY: CHRIS EXAMINATION NUMBER DRAWING PROGRAM: DATE: 14/12/2012 >) ISTO N M65 BOLT (not shown) 3 MILD STEEL RUE DET SCALE: 1:2 WOODRUFF KEY 1 MILD STEEL EXAMINATION NUMBER 2 Copyright reserve Please tum over

Downloaded from hlayiso.com Engineering Graphics and Design/P2 Nsc. EC DBE/November 2013 QUESTION 2: LOCI (HELIX) Given: © The incomplete front view of a square helix showing the start and end points * The top view of the square helix Instructions: Draw, to scale 1:5, the complete front view and the top view of the square helix according to the following specifications: * Left-hand square helix . Pitch 300 mm © 1% tums Note: * NO hidden detail is required in the front view * — Study the given diagrams carefully before you start drawing. * — Show ALL necessary constructions [38] 450 “ASSESSMENT CRITERIA 1. CONSTRUCTION: 6 2. TOP VIEW 4 3. DIRECTION 3 4. CENTRE LINES. 4 5. HELIX 235 TOTAL | 38 EXAMINATION NUMBER EXAMINATION NUMBER. 3 Copyright reserve Please tum over

Downloaded from hlayiso.com Engineering Graphics and Design/P2 Nsc. EC DBE/November 2013 Loe QUESTION 3: ISOMETRIC DRAWING Given: * The front view, top view and left view of a model * The position of point B on the drawing sheet Convert the orthographic views of the model into a scale 1 : 1 isometric drawing. * Make corner B the lowest point of the drawing. * Show ALL necessary circle and other construction. ired [38] 43 a Bi__s0__] 60 14 |20_| R28 2 20. ASSESSMENT CRITERIA 1, AUX. VIEW+PLACING | 3 2. ISOMETRIC LINES 17 3, NON-ISOMETRIC LINES | 9} 4, ISOMETRIC CIRCLES | 5 5. CIRCLE CONSTRUCTION | 1} 6. CENTRE LINES 2 TOTAL | 38 EXAMINATION NUMBER EXAMINATION NUMBER [4 Copyright reserve Please tum over

Downloaded from hlayiso.com Engineering Graphics and Design/P2 Nsc. EC DBE/November 2013 100 40 15, 40 80. 25 2 oa 4 holes of 10 rr a i) mo || | ®WRIN [| | 2A] ee] at T0PCD orto a (ay 14 VY ———————| | 62 ak cl >— WASHER BUSH FE --K = [4] ti ge 88/8 r i a PA 24 4 je 4 PULLEY SHAFT PARTS LIST PART QUANTITY MATERIAL 1. BASE 1 CAST IRON 2. BRACKET 1 CAST IRON 3, BOLT 1 MILD STEEL. 4, WASHER 2 MILD STEEL M12 BOLT 5. PULLEY 1 CAST IRON DRAWN BY: ory | 6, BUSH 1 BRONZE ALL DIMENSIONS ARE 7 IN MILLIMETRES, DATE: 2 7. SHAFT 1 MILD STEEL CHECKED BY: ervres SUTTON ROAD oovios MICRO STEEL SYDENHAM ALLUNSPECIFIED — |DATE: 20/01/2017 6001 EASTERN CAPE MANUFACTURING RADII ARE RS. APPROVED BY: Josrri wun. microsteel.co.za DEPARTMENT BASIC EDUCATION veers GRADE 11 DRAWING PROGRAM: ms NOVEMBER 2013 cabot PULLEY ASSEMBLY E4 SCALE 1:2 QUESTION 4: MECHANICAL ASSEMBLY Given: * The exploded isometric drawing of the parts of a pulley assembly, showing the position of each part relative to all the others © Orthographic views of each of the parts of the pulley assembly * The center! es of the left view on page 6 Instructions: * Answer this question on page 6. * Draw, to scale 1: 1 and in third-angle orthographic projection, the following views of the assembled parts of the pulley assembly: + Asectional front view, on cutting plane A-A, as seen from the direction of the arrow shown on the exploded isometric drawing. The cutting plane is shown on the left view of the bracket (part 2). . The left view. * ALL drawings must comply with the guidelines contained in the SABS 0111. NOTE: « Show three sides of the nut in the sectional front view. * No hidden det. required. Insert the following detail to the drawing © The cutting plane A-A © Label the sectional view: SECTION A-A [96] Copyright reserve Please tum over

Downloaded from hlayiso.com Engineering Graphics and Design/P2 Nsc. EC DBE/November 2013 ASSESSMENT CRITERIA TOP VIEW + GENERAL 1. BASE 2. BRACKET 3, BOLT 4, WASHER 5. BUSH 6, PULLEY 7. SHAFT 8. CENTERLINES LABEL HATCHING 15 SUBTOTAL 67 ‘SECTIONAL FRONT VIEW 1, BASE 2. BRACKET 3. BOLT 4, WASHER 5, BUSH 6. PULLEY 7. SHAFT 8, CENTERLINE SECTION AA 10. AUX VIEW ‘SUBTOTAL 29 TOTAL 96 EXAMINATION NUMBER EXAMINATION NUMBER Copyright reserve