# Engineering Graphics and Design Grade 12 P2 2022 QP (Eng)

> Grade 12 Engineering Graphics and Design Paper 2 question paper from the NSC November Exam 2022 (English), 6 pages. Read online or download the free PDF.

- Page: https://www.hlayiso.com/library/engineering-graphics-design-p2-nov-2022-eng/335f6424-0d8c-49ad-85c4-902f2f52334b
- Updated: 2026-09-27
- Subject: Engineering Graphics and Design
- Grade: Grade 12
- Document type: Question paper
- Year: 2022
- Exam period: NSC November Exam
- Paper: 2
- Curriculum: CAPS
- Pages: 6

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## About this document

Engineering Graphic And Design · Grade 12 · NSC November Exam · 2022. Question paper, 6 pages. Read online or download the PDF.

Read it free online on the page above; download the PDF from there.

## Document text

Text extracted from the PDF. Layout, diagrams and tables may not survive extraction.

### Page 1

INSTRUCTIONS AND INFORMATION

This question paper consists of FOUR questions.
Answer ALL the questions.
ALL drawings are in third-angle orthographic projection, unless otherwise stated.

basic education pographi
ALL drawings must be prepared using pencil and instruments, unless otherwise

WWE.
Department: stated.
Basic Education . ALL answers must be drawn accurately and neatly.
4 REPUBLIC OF SOUTH AFRICA ALL the questions must be answered on the QUESTION PAPER, as instructed.

PENS

Noo

ALL the pages, irrespective of whether the question was attempted or not, must
be re-stapled in numerical sequence in the TOP LEFT-HAND CORNER ONLY.
8. Time management is essential in order to complete all the questions.

9. Print your examination number in the block provided on every page.

10. Any details or dimensions not given must be assumed in good proportion.

NATIONAL
SENIOR CERTIFICATE
FOR OFFICIAL USE ONLY
QUESTION | MARKS OBTAINED | 3 | SIGN MODERATED. 3] SIGN RE-MARKING 3| SIGN
fo >
GRADE 12 1
NX 7
2
3
( ‘] 4
i ENGINEERING GRAPHICS AND DESIGN P2 |
i Ht TOTAL
I NOVEMBER 2022 !
\ ~! 2/0/0 2[0/0 2[0|0
MARKS: 100 FINAL CONVERTED MARK CHECKED BY
TIME: 3 hours
10
This question paper consists of 6 pages.
[ rs | COMPLETE THE FOLLOWING:
| | CENTRE NUMBER
| |
| Barcode label | CENTRE NUMBER
| | EXAMINATION NUMBER
| |
L————~—-—~—~~~~~~--~— 4 EXAMINATION NUMBER

Copyright reserved DO NOT FOLD THIS QUESTION PAPER IN HALF lease tum over

### Page 2

Engineering Graphics and Design/P2

DBE/November 2022

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QUESTION 1: ANALYTICAL (MECHANICAL)

oe @6 HOLES CSK
re AT 90° TO @3 Given:
BOTH ENDS: _
Two views of a bracket, and a view of a shaft, a title block and a table of questions. The drawings are not presented to
M25 x3 the indicated scale.
Hy a Instructions:
</BOTHENDS N Complete the tate below by neatly answering the questions, which refer to the accompanying drawings, the tile
Y block and mechanical content. [30]
#5 18. o22
a 4 QUESTIONS ANSWERS
_ g 25 g
el Nw 1] Who checked the drawing? 1
— 2. | How many revisions have been made? 1
t
a iy | 3. | From what material must the shaft be manufactured? 1
~ ia 4, [How many hales are there in the bracket? 1
t + F
4x01 HOLES Laz,| | 5 | What type of sections are S-S and T-T of the shaft? 1
6x3 /
KEYWAY 2 50 ons 6 |How many screw threads must be cut on the shaft? 1
VIEW 2 a 7_ |IFVIEW 2 of the bracket is the front view, what would VIEW 4 1
4 be called?
O \ 8 | What does the abbreviation AF stand for? 1
40
ea secHoNss —g s 8 9 | What is the abbreviation for countersunk? 1
it 10 | Determine the complete dimensions at: A Cc 3
54
I i 41 | What is the height of the spot face on the bracket? 1
it
3 i 3x028 5 5 12 | What is the depth of the keyway on the shaft? 1
a fiht r UNDERCUT 5 Hol 13 |If scale 1 : 1 was used, what would the dimension at D read? 1
al fii M34 x3, 5
tt Ll LH With reference to the orthographic system used, on which
u AF 26. 14 | side of the truncated cone of the projection symbal would the 1
e two cirdes be drawn?
VIEW 1 " ft 15 | Specify the size and depth for the left-hand thread. 1
©. 46 | How many surfaces on the bracket must be machined? 1
BRACKET o28 Ei d
SCALE 1:3 SECON tT With reference to the tolerance, determine the minimum
T T 17 | diameter of the hale at E. 7
0,2 1
4 3
4g | With reference to the machining symbol in the tile Hock, 0,8 1
3 CHANGE TOLERANCE TO + 0,02 09/12/2021 J.STEYN, T a what do the following component specifications refer to? GRINDING 1
2 | ADD SECTIONS ON SHAFT 8/12/2021 4LSTEYN Cc 7
lyz2 x2]
1 __| CHANGE INDICATED DIMENSIONS 06/12/2021 tSTEYN SHAFT 4g |! the space below (ANSWER 19), complete, in neat freehand, the SANS 10111 conventional 3
REVISION DESCRIPTION DATE DRAWN SCALE 1:3 representation for the given hdles on a LINEAR PITCH.
FILENAME: MS 41-2022 | MATERIAL: TOLERANCE: x02 In the space below (ANSWER 20), complete, in neat freehand, the SANS 10111 conventional
© BRACKET: WROUGHTIRON — | ALLUNSPEGIFIED RADII | Wai Ess OTHERWISE 0,8 SENOS | 20 | representation for an INTERRUPTED VIEW on a square bar. 3
DRAWING No. 13 © SHAFT: MILD STEEL STATED 0,2VC TOTAL| 30
ALL DIMENSIONS ARE IN MILLIMETRES.
COMMISSIONED BY: DRAWING
RACKIT MANUFACTURERS | PROGRAMME: AUTOCAD 2022 | Guanrury: g000 SCALE1.3 QUESTION 19: ANSWER 20:
MILLER DESIGN AND DETAILING DRAWN BY: J. BONGANI DATE: 2021/12/04 OOO
41 ANFIELD PLACE www.millerd&d.co.Za
LIVERPOOL 012 567 8910 CHECKED: S. SMITH DATE: 2021/12/12
x600
‘APPROVED BY: dt BHIKA DATE: 2021/12/17 Ooo San ONIN RISER
TITLE
BRACKET AND SHAFT DETAILED CONVENTION EXACTS [2

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ASSESSMENT CRITERIA 2.1

1 |GIVEN + LABELS + CL

6

2 |CONSTRUCTION

5

3 |LOCI OF D AND E

14

PENALTIES ¢)

SUBTOTAL

25

QUESTION 2: LOCI
NOTE: Answer QUESTIONS 2.1 and 2.2.
2.1 MECHANISM

Given:

* A schematic drawing of a mechanism
consisting of crank OA, sliding rod DB,
horizontal groove GH, swivel guide F and
rod CE in its vertical position

© The position of centre point O on the
drawing sheet

Specifications:

© The positions of centre point O, swivel
guide F and horizontal groove GH are
fixed.

* Rod DB = 165.

* Sliding rod DB is pin-jointed to crank OA
at A.

Rod CE passes through swivel guide F,
and is pin-jointed to sliding rod DB at C.

Motion:

As crank OA rotates, point B of sliding rod DB
reciprocates along groove GH and rod CE
slides through swivel guide F.

Instructions:
© Draw, to scale 1:1, the given schematic
drawing of the mechanism.
© Trace the loci generated by point D and
by point E for ONE complete rotation of
crank OA.
« Show ALL construction. [25]

ASSESSMENT CRITERIA 2.2

41 |GRAPH CONSTRUCTION

2. |POINTS + CURVE

3 |LABELS

PENALTIES ¢)

SUBTOTAL 2,2

12

2.2: CAM

Given:
© The position of comer P on the drawing
sheet

Motion:
Acam imparts the following motionto a
follower:
eltis at rest for the first 60°.
elt rises 80 mm with uniform acceleration
and retardation over the next 150°.
It returns to its original position with
uniform motion over the rest of the
rotation.

Instructions:

«From corner P, draw, to a rotational scale
of 10 mm = 30° and a displacement scale
of 1: 1, the complete displacement graph
for the required motion.

* Label the displacement graph and indude
the rotational scale.

Show ALL construction. [12]

SUBTOTAL 2.1

25

EXAMINATION NUMBER

TOTAL

37

EXAMINATION NUMBER, [3

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Engineering Graphics and Design/P2

DBE/November 2022

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80

QUESTION 3: ISOMETRIC DRAWING

Given:
© The front view, top view and left view of a tool
* The position of point A on the drawing sheet

Instructions:
Using scale 1 : 1, convert the orthographic views
of the tool into an isometric drawing.

* Make A the starting and lowest point of the

drawing.
* Show ALL construction.
* NO hidden detail is required. [40]

40

40

54

38

20,

26

45 30

120

ASSESSMENT CRITERIA

PLACING + AUX. VIEW 2

BODY 20

1

2

3 [HANDLE 93
4 |CIRCLES + CONSTR. + CL 8d
PENALTIES ¢)

TOTAL] 40
EXAMINATION NUMBER

EXAMINATION NUMBER [4

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Engineering Graphics and Design/P2

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DBE/November 2022

130

68

930

230

220

\
f

144

1

BASE [

14 62

929

|

|
G
IH
Mig

t

M16 WASHER [4]

M16 NUT [5]

CRANK [6]

COMPRESSION
SPRING [9]

EXPLODED ISOMETRIC DRAWING

22,

R50

216

Fl

FLY WHEEL [11]

yiso.com
|

QUESTION 4: MECHANICAL ASSEMBLY

Given:

© The exploded isometric drawing of the parts of a wobble
engine assembly, showing the position of each part relative
to all the others

* Orthographic views of each of the parts of the wobble
engine assembly

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
wobble engine assembly:

4.1. ONLY the left half of the front view, by applying the
convention of symmetry.

4.2 A sectional left view on cutting plane A-A, as seen
from the direction of the arrow on the exploded
isometric drawing. The cutting plane is shown on the
front view of the base (part 1).

NOTE:

© Planning is essential.

The drawing must comply with the SANS 10111 guidelines.

The piston (part 7) must be drawn in the highest position.

Show THREE faces of the M16 nut (part 5) on the sectional

view.

The compression spring (part 9) must be drawn as a
conventional representation, at the full extension of 20 mm.

* NO hidden detail is required. [93]
PARTS LIST

PARTS QUANTITY MATERIAL
1 Base 1 CASTIRON
2 | SHAFT 1 MILD STEEL
3 | KEY 1 KEY STEEL
4 |M16 WASHER 1 MILD STEEL
5 |M16 NUT 1 MILD STEEL
6 | CRANK 1 CASTIRON
7 =| PISTON 1 MILD STEEL
8 | CYLINDER 1 CASTIRON,

9 | COMPRESSION SPRING 1 SPRING STEEL
10 | TENSION SCREW 1 MILD STEEL
41:«‘| FLY WHEEL 1 CASTIRON

7 WATT STREET
INDUSTRIA
www.steamp.co.za
® 012 345 6789

WOBBLE ENGINE ASSEMBLY

©Og

STEAM PUNK
ENGINEERING CC

ALL DIMENSIONS ARE IN MILLIMETRES,

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### Page 6

Engineering Graphics and Design/P2

DBE/November 2022

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FOR OFFICIAL USE ONLY

INCORRECT ORTHOGRAPHIC PROJECTION

INCORRECT OVERALL SCALE

INCORRECT HATCHING

PARTS NOT ASSEMBLED

TOTAL PENALTIES ()

ASSESSMENT CRITERIA

FRONT VIEW

Posse | opraien | aca] moversted

1 | ease 53

TENSION 1
SCREW

FLY WHEEL 4

INEICATIONOF |
SYMMETRY

2
3
4 |nut+waster | 49
5
s

UBTOTAL | 144

SECTIONAL LEFT VIEW
1 | ease 133
2 | ovunoer 10
3. | Piston 54
4 | Screw" 8
5 | sprinc 13
6 | cranc 54
7 |wasnes aur | 152
B | revwnee 7
SUBTOTAL | 66}
GENERAL
1 |oenteeunes [2
2 | assewavy 10
SUBTOTAL | 12
TOTAL| 93
PENALTIES (=)
GRAND TOTAL

EXAMINATION NUMBER

EXAMINATION NUMBER [6

Copyright reserved

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