# Engineering Graphics and Design Grade 12 P2 2014 QP

> Grade 12 Engineering Graphics and Design Paper 2 question paper from the Eastern Cape Mock Exam 2014, 12 pages. Read online or download the free PDF.

- Page: https://www.hlayiso.com/library/egd-p2-ea/36d93216-242e-4695-a15e-495516a19770
- Updated: 2026-09-27
- Subject: Engineering Graphics and Design
- Grade: Grade 12
- Document type: Question paper
- Year: 2014
- Exam period: Eastern Cape Mock Exam
- Paper: 2
- Curriculum: CAPS
- Pages: 12

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## About this document

Engineering Graphic And Design · Grade 12 · Eastern Cape Mock Exam · 2014. Question paper, 12 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

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Les QUESTION 4: ANALYTICAL (MECHANICAL)
Ce
° Given:
a Detailed drawings showing parts of a safety valve, a title block and a table of
pV questions. The drawings have not been prepared according to the indicated
scale
Instructions:
Complete the table below by neatly answering the questions, which all refer to
the accompanying detailed drawings and the title block [30]
1 | On what date was the drawing first checked? 1
2 | What is the title of the drawing? 1
3. | Which drawing method was used to create these drawings? 1
3 HOLES R4 x 5 mm DEEP.
4 |How many safety valves must be manufactured? 1
pt 5 | How many sets of drawings are there? 1
zr 6 | What is the tolerance allowed on the dimensions? 1
7 | What indicated scale has been used for the drawing? 1
g 8 | How many parts make up the assembly? 1
9 | What is feature 1 called? 1
_--2 mm THICK RUBBER DIAPHRAGM 10 | What is feature 2 called? 1
11 | What is feature 3 called? 1
G 12 | What is the size of the hole marked D? 1
Spo pst 71-5 8 13 | From what material is the diaphragm made? 1
~ 14 | What type of section is shown? 1
400 3g 15 | Determine the dimensions at: A) B) c) 4
nail
Ez 16 | What do the letters P.C.D. stand for? 1
alr 17 | How many external screw threads are there in the assembly? 1
g 18 | Complete the cutting plane on the top view and label it A-A. 3
(3) 49 | In the box below (ANSWER 19), draw, in neat freehand, the symbol for the 4
projection system used
30 100 120 30
20 In the box below (ANSWER 20), draw, in neat freehand, the SABS 0111 3
schematic convention for a spring
TOTAL | 30
ANSWER 20
1413 PETER DIAMETER OF INLETS 1 | DRAWING SET: 30F 5
DATE ‘CHANGED BY REVISION DESCRIPTION No. DRAWING PROGRAM: AutoCAD 2014 DRAWN: IGNUS 10/10/13 ANSWER 19
SAFETY VALVE DRAWING Ne. VALVE/101/2014 CHECKED: JOHN: 15/10/13
FILE NAME: valve10.dwg APPROVED: SUSAN 12/12/13
UNLESS OTHERWISE SPECIFIED ALL | MATERIAL: BRASS ee
AQUA WATER | 72CHURCHSTREET | DIMENSIONS ARE IN MILLIMETRES Convention for the spring
GRAAFF-REINET WITH A TOLERANCES OF: 0,15, HEAT TREATMENT: NONE EXAMINATION NUMBER
ENGINEERS 6280
(SA) (Pty) Ltd awww.aqua.CO.Za UNLESS OTHERWISE SPECIFIED ALL SCALE: 1:2
B 049 898 2345 SURFACES TEXTURE FINISHES: 9/ | Quantity: 1500 EXAMINATION NUMBER [2

Copyright reserved Please tum over

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Engineering Graphics and Design/P2

cg

September 2014

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QUESTION 2: HELIX

Given:
The complete top view of a helical square screw

thread.
The centre point, C, of the top view

Specification:

Right-handed
One and a half revolutions

Outside diameter = 100 mm
Core diameter = 52mm
Pitch = 48mm

Instructions:
Using the given information, copy the top view and

draw a front view with 1} turns of a helical square

screw thread.
Show the centre lines.
Show ALL necessary construction.

NO hidden detail is required in the front view. [37]

‘ASSESSMENT CRITERIA
TOP VIEW + CLINES +
1 | Divisions + CONSTR 7
PITCH
2 | PLOTTING POINTS & 19
OUTSIDE CURVE
3 | PLOTTING POINTS & 6
INSIDE CURVE
4 | SHAFT + SIDES 5
TOTAL 37
EXAMINATION NUMBER
EXAMINATION NUMBER [3

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QUESTION 3: ISOMETRIC DRAWING

Given:
© The front view, left view and top view of a sliding guide
© The position of point L on the drawing sheet

Instructions:

Using scale 1 : 1, convert the orthographic views of the
sliding guide into a sectional isometric drawing on cutting
plane A-A

* Make L the lowest point of the drawing
* Show ALL necessary constructions.
* NO hidden detail is required. [41]

Eee
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126

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46

30

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36" 32__|i2|_ 32

ASSESSMENT CRITERIA

1 | AUX’ VIEWS + PLACING 3

2 | ISO’ LINES 233

3 | NON ISO’ LINES 5

4 | CIRCLE + CONSTR 6

5 | SECTIONING 3

TOTAL a
EXAMINATION NUMBER

EXAMINATION NUMBER [4

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Engineering Graphics and Design/P2

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100
58.
42

r=) 4

|
}

WASHER

September 2014

fi fi
TTT Hi TTT
128 a q TT yl rT
26 2 L8 | 2 [2s
1
ee ; COVER
rtT mtr
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ani 4
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SLIDING BLOCK

EXPLODED ISOMETRIC DRAWING

QUESTION 4; MECHANICAL ASSEMBLY

Given:

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

* Orthographic views of each of the parts of the shaft support
assembly.

«Point S on the answer sheet.

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 shaft
support assembly:

4.1 A sectional front view on cutting plane A-A, as seen
from the direction of the arrow shown on the exploded
isometric drawing. The cutting plane, which passes
vertically through the centre of the assembly, is shown
on the top view of the base (part 1)

4.2 The right view.

ALL drawings must comply with the guidelines contained in
the SABS 0111.

NOTE:

* Align point S on the sliding block with point S on the base.

* Show THREE faces of the nuts in the front view and ALL
necessary construction

* NO hidden detail is required.

Insert the followi

features on the drawing:

© The cutting plane A-A [92]
PARTS LIST

PART QUANTITY MATERIAL
1. BASE 1 CAST IRON
2, SLIDING BLOCK 1 ‘CAST IRON
3. NUT 1 MILD STEEL
4. COVER 1 CAST IRON
5. WASHER 1 MILD STEEL
6, NUT 1 MILD STEEL
7. BUSH 1 BRASS
8. SHAFT 1 MILD STEEL

OLD CAPE ROAD
GREENBUSHES
6025
www ibayhisteel.co.za

IBAYHI STEEL

MANUFACTURING

TILE

SHAFT SUPPORT

Od

ALL DIMENSIONS ARE
IN MILLIMETRES,

ALL UNSPECIFIED
RADII ARE R3.

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cg

ASSESSMENT CRITERIA

SECTIONAL FRONT VIEW

1 | BASE 15}

2 | SLIDING BLOCK | 8}

3 | NUT 5
4 | COVER 5
rr 5 | WASHER %
2
6 | NUT 5
7 | BUSH 1
8 | SHAFT 1
H | HATCHING 16
SUBTOTAL 58}
RIGHT VIEW
+ | Base 4
2 | COVER }
3 | WASHER 4
4 | NuT 3

5 | SLIDING BLOCK | 5

6 | SHAFT 3
SUBTOTAL 203
GENERAL
1 | cunes+aa 6
2 | assewary 7
SUBTOTAL 13
TOTAL 92
EXAMINATION NUMBER
EXAMINATION NUMBER [6

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