# Engineering Graphics and Design Grade 12 P2 2016 QP (Eng)

> Grade 12 Engineering Graphics and Design Paper 2 question paper from the Eastern Cape Mock Exam 2016 (English), 6 pages. Read online or download the free PDF.

- Page: https://www.hlayiso.com/library/egd-p2-eng-qp/a0666cff-6b74-4a49-8407-4786e33c2427
- Updated: 2026-09-27
- Subject: Engineering Graphics and Design
- Grade: Grade 12
- Document type: Question paper
- Year: 2016
- Exam period: Eastern Cape Mock Exam
- Paper: 2
- Curriculum: CAPS
- Pages: 6

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## About this document

Engineering Graphic And Design · Grade 12 · Eastern Cape Mock Exam · 2016. 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.

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 *GRDSE*

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2 y QUESTION 1: ANALYTICAL (MECHANICAL)

Given:
A. detailed drawing of a pipe connecting piece, a title block and a table of
questions. The drawings have not been prepared to the indicated scale.

Instructions:
Complete the table below by neatly answering the questions, which all refer

to the accompanying drawings and the title block. [30]
QUESTIONS ANSWERS
1 | On what date was the drawing checked? 1
VIEW 1 2 | What is the name of the engineering firm? 1
3 | Which indicated scale has been used? 1
4 | What treatment must the pipe connector undergo? 1
5 | On what date was the base angle revised? 1
6 | What is the drawing number? 1
7 | What would view 1 be called? 1
8 | How many surfaces need to be machined? 1
9 | What roughness value is required on the machined surfaces? 4
10 | What is the depth of the thread on a standard M12 nut? 1
11 | How many threaded holes are there on the pipe connector? 1
12 | What type of Section would cutting plane S-S produce? 1
43 | What type of curve is shown at 1? 4
14 | Name the encircled feature at 2. 1
15 | Whatis the thickness of the feature at 3? 2
16 | Name the feature at 4. 2
FRONT VIEW VIEW 2 17 | Name the type of sectioning at 5. 2

18 | Determine the angle between centrelines at 6. 2
19 | Determine the complete dimensions: A B Cc D 4
20 | In the box below, draw, in neat freehand, the symbol for the projection system used. 4

‘ALL UNDIMENSIONED RADII R 5. TOTAL 30

ALL DIMENSIONS ARE IN MILLIMETRES. | SCALE: 1:2

PROGRAMME: AUTOCAD 2015 MATERIAL: CAST IRON ANSWER 20

FILE NAME: pipe con1.dwg QUANTITY: 1 500 UNITS

DRAWING No. PC3-25 TREATMENT: HARDEN

FINISH: REMOVE ALL BURRS 025 MILLING 2. BASE HOLES @13 2015/09/20 ——-—— =

AND SHARP EDGES VW TANGLE OF BASE | 2015/09/15
GENERAL cegevtronee REVISIONS DATE
PORT ELIZABETH | DRAWN: JOHN 2015/09/10 SYMBOL
ENGINEERING 6000
® oat 336 1600 | CHECKED: WEST 2015/0912 TE
TILE APPROVED: KEN 2015/09/22
PIPE CONNECTING PIECE —_ 7

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QUESTION 2: LOCI (CAM)

Given:

* An incomplete displacement diagram of a cam.

*The centre point for the cam profile and a reference
point on the answer sheet.

Motion:

The follower rises, with uniform acceleration and
retardation over the first 180°(A), to a maximum height
of 56 mm.

* There is a dwell period for the next 30°(B).

© The follower descends with uniform motion over the next
60°(C), for 22 mm.

© The follower descends, with simple harmonic motion, to
the original position over the rest of the rotation(D).

Instructions:

* Draw, to a horizontal scale of 96 mm = 360° and a
displacement scale of 1 : 1, the complete displacement
graph for the required motion.

Using the cam displacement diagram, determine the
cam profile of a wedge shaped follower. Complete the
cam profile by using the following specifications:

* The cam rotates clockwise.

* Minimum displacement radius = R15.

* Camshaft diameter = 220.

* Show ALL necessary construction.

* Show the direction of the cam rotation.

«Label the displacement diagram and insert the scale.

[34]

56

| 60" [1207/180"|
30° 90° 150° 210° 270° 330°

as ele|o |

ASSESSMENT CRITERIA

GRAPH DIVISIONS +

CONSTR GRAPH 15

MIN. DIST, C’LINES + 12
DIV + ARROW
PLOTTING POINTS &

3 | cURVE 9

8

4 | LABEL 2

TOTAL} 34
NAME

NAME [3

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QUESTION 3: ISOMETRIC DRAWING

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

Instructions:
Using scale 1 : 1, convert the orthographic views of the
bracket to a isometric drawing.

* Make S the lowest point of the drawing.
* Show ALL necessary construction.
* NO hidden detail is required. [37]

25

80

30

25

120

60

ASSESSMENT CRITERIA
1 | AUX' VIEWS + PLACING 3

2 | 1S" LINES - BASE 143

3 | HEXAGONAL PRISM at

4 | CIRCLE + CONSTR 8

TOTAL 37
NAME

NAME, [4

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Engineering Graphics and Design/P2

@10

am =
NUT [6]

220

ee

WASHER [7]

o10

“et

o14

46
69

Ce

BOLT [9]

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(ote)

78

50.

mM

FORK [2]

CIRCLIP [5]

EXPLODED ISOMETRIC DRAWING

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

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:

4.1 The sectional front view of the pulley assembly,
on cutting plane A-A as seen from the direction of
the arrow shown on the exploded isometric
drawing. The cutting plane, that runs vertically
through the centre of the assembly, is shown on
the top view of the fork (part 2)

4.2 A top view without any hidden detail

* ALL drawings must comply with the guidelines
contained in the SANS 10111.

NOTE:

* Place the fork in a horizontal position in the sectional
front view.

* Show, in the sectional front view, THREE faces of the
M10 bolt and two faces of the M10 nut and ALL
necessary construction.

* NO hidden detail is required.

Add the following features to the drawing:

© The cutting plane A-A [99]
PARTS LIST

PART QUANTITY MATERIAL
1. BASE 1 MILD STEEL
2.FORK 1 CAST IRON
3. PULLEY 1 CAST IRON
4. PIN 1 MILD STEEL
5. CIRCLIP 1 SPRING STEEL
6. M10 NUT 1 MILD STEEL
7. WASHER 1 MILD STEEL
8. BUSH 1 BRONZ
9. BOLT 1 MILD STEEL
TITLE

PULLEY TENSIONER

54 PEARL ROAD

PERSEVERANCE

GENERAL PORT ELIZABETH
ENGINEERING 6000

‘FR_041 335 1600

ALL DIMENSIONS ARE| ALL UNSPECIFIED
IN MILLIMETRES. RADII ARE R3. [Bl

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EC DBE/SEPTEMBER 2016

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ASSESSMENT CRITERIA
TOP VIEW

1 | BASE 7
2 | PIN 4
3 | CIRCLIP %
4 | FoRK 5}
6 | PULLEY 43
7 | CENTRE LINES | 6
8 | CUTTING PLANE| 3.
9 | ASSEMBLY 8
SUB-TOTAL | 42

ASSESSMENT CRITERIA

SECTIONAL FRONT VIEW
41 | BASE oy
2 |PIN 4
3 | FORK 19
4 | BUSH 2
5 | PULLEY 10
SUB-TOTAL | 57
TOTAL 99

NAME
NAME [6

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