# Engineering Graphics and Design Grade 12 P2 2019 Memo (Eng)

> Grade 12 Engineering Graphics and Design Paper 2 memorandum from the NSC June 2019 (English), 10 pages. Read online or download the free PDF.

- Page: https://www.hlayiso.com/library/engineering-graphics-design-p2-may-june-2019-memo-eng/10f26bb5-1048-4cc3-aa27-1f53a1278155
- Updated: 2026-09-27
- Subject: Engineering Graphics and Design
- Grade: Grade 12
- Document type: Memorandum
- Year: 2019
- Exam period: NSC June
- Paper: 2
- Curriculum: CAPS
- Pages: 10

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## About this document

Engineering Graphic And Design · Grade 12 · NSC June · 2019. Memorandum, 10 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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basic education

Department:
Basic Education
REPUBLIC OF SOUTH AFRICA

SENIOR CERTIFICATE EXAMINATIONS/
NATIONAL SENIOR CERTIFICATE EXAMINATIONS

ENGINEERING GRAPHICS AND DESIGN P2

2019

MARKING GUIDELINES

MARKS: 100

These marking guidelines consist of 9 pages
and 1 A3 sheet.

APPROVED:

UMALUSI - S. de Bruin

IM - J van Leeuwen
CM - W Goodchild

Copyright reserved Please turn over

### Page 2

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Engineering Graphics and Design/P2 2 SC/NSC - Marking guidelines DBE/2019

1 | COMPASS 1
2 |WESSLY 1
3 | TOOL STEEL 1
4 |16 1
5 |RIGHT VIEW 1
6 MORE ACCURATE ADJUSTMENT/REMAINS 1

ACCURATE
7 QUICK RELEASE FOR EASIER or QUICKER 1

OPENING / CLOSING OF THE LEGS
8 |G78 1
9 |12°, 13°, 14° 1
10 |C: M3 D: 156 2
11. | REVOLVED SECTION 1
12 STRAIGHT KNURLING / KNURLING / 1

GROOVED
13 | BETTER GRIP 1
14 /0.92 1

FIELD/SITE WELD E

TAIL Cc
15 ) WELD LENGTH A 5

WELD PITCH B

WELD PROCESS D
16

See below
17 4
TOTAL | 30
ANSWER 16: . ANSWER 17: Projection symbol
Convention for gears meshing
@ FREEHAND @ FREEHAND
PAPER 2 QUESTION 1
GRADE 12
SC/NSC 2019
APPROVED
MARKING GUIDELINE

Copyright reserved

Please turn over

### Page 3

Engineering Graphics and Design/P2

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3 SC/NSC - Marking guidelines

DBE/2019

CURVE
THROUGH C

0@-

CURVE V3
QUALITY

ASSESSMENT CRITERIA 2.1
1 | GIVEN 7
CONSTRUCTION 5
POINTS + CURVE 7
o o-—_ -
D TOTAL | 19
iA N
y /
i
2. CONSTRUCTION
- CIRCLE DIVISIONS 1
-CONNECTING RODSBC+CD 4
5

PAPER 2 QUESTION 2.1
GRADE 12
SC/NSC 2019
APPROVED
MARKING GUIDELINE

Please turn over

Copyright reserved

### Page 4

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Engineering Graphics and Design/P2 4 SC/NSC - Marking guidelines DBE/2019

2. CONSTRUCTION

- CIRCLE DIVISION
- PITCH

- PITCH DIVISION
- HORISONTAL PROJECTION

(4) - VERTICAL PROJECTION
- DIRECTION

GIN NENENE ae

ny CURVE QUALITY V3 ¥3

L

ASSESSMENT CRITERIA

1 | GIVEN 1

CONSTRUCTION 5

OUTER HELIX 9

BR}oO]N

INNER HELIX + SHAFT 33

SUBTOTAL 19

PAPER 2 QUESTION 2.2
GRADE 12
SC/NSC 2019
APPROVED
MARKING GUIDELINE

Copyright reserved Please turn over

### Page 5

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Engineering Graphics and Design/P2

5 SC/NSC - Marking guidelines

DBE/2019

v4

¥3 CIRCLE
CONSTRUCTION

“4

v4 HATCHING CORRECTLY
APPLIED

‘Q

P
¥1 CORRECT PLACEMENT

Cn

ASSESSMENT CRITERIA
1 | AUX. VIEW + PLACING 3
ISOMETRIC + NON-ISO'
2 | Lines 14
3, | ISOMETRIC CIRCLES + 7
CIRCLE CONSTR’
4 |SECTIONED SURFACES | 44
+ HATCHING
TOTAL | 38
PAPER 2 QUESTION 3
GRADE 12
SC/NSC 2019
APPROVED

MARKING GUIDELINE

Copyright reserved

Please turn over

### Page 6

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Engineering Graphics and Design/P2

6 SC/NSC - Marking guidelines

DBE/2019

DETAIL OF THE
MARK ALLOCATION
FOR PLUG, PIN AND

FLOAT TRIGGER

DETAIL OF THE
MARK ALLOCATION
FOR HATCHING OF

THE SEAL RING

$x2=1

DETAIL OF THE MARK
ALLOCATION FOR SCREW
THREAD OF THE VALVE BODY

2x2=4

ASSESSMENT CRITERIA
SECTIONAL FRONT
VIEW
4 | INteT 144
2 | SEAL RING 2
3 | RETAINING RING 22
4 | ver 6t
5 | FLOAT TRIGGER + PIN 9

SUBTOTAL 54
PAPER 2 QUESTION 4
GRADE 12
SC/NSC 2019
APPROVED

MARKING GUIDELINE

Copyright reserved

Please turn over

### Page 7

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Engineering Graphics and Design/P2 7 SC/NSC - Marking guidelines DBE/2019

@>

ASSESSMENT CRITERIA

RIGHT VIEW

41 | INLET + JET

2 ‘| VALVE BODY

SUBTOTAL 6
PAPER 2 QUESTION 4
GRADE 12
SC/NSC 2019
APPROVED

MARKING GUIDELINE

Copyright reserved

### Page 8

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Engineering Graphics and Design/P2 8 SC/NSC - Marking guidelines DBE/2019

|__« |
~ [ 7 ~ -
q
U1)
ASSESSMENT CRITERIA
BOTTOM VIEW
1 (| INLET 94
VALVE BODY + 1
2 _| RETAINING RING + ot
JET
SUBTOTAL 19
PAPER 2 QUESTION 4
GRADE 12
SC/NSC 2019
APPROVED

MARKING GUIDELINE

Copyright reserved

### Page 9

Engineering Graphics and Design/P2

Downloaded fram.hlayiso.com

DBE/2019

DETAIL OF THE
MARK ALLOCATION
FOR PLUG, PIN AND

FLOAT TRIGGER

DETAIL OF THE
MARK ALLOCATION
FOR HATCHING OF

THE SEAL RING

ix2=1
2 y

(3)

DETAIL OF THE MARK
ALLOCATION FOR SCREW
THREAD OF THE VALVE BODY

FOR OFFICIAL USE ONLY

INCORRECT ORTHOGRAPHIC PROJECTION

INCORRECT OVERALL SCALE

INCORRECT HATCHING

PARTS NOT ASSEMBLED

TOTAL PENALTIES (-)

3. ASSEMBLY
1 MARK FOR EVERY
COMPONENT CORRECTLY
ASSEMBLED (9 PARTS -1)=8

1. CENTRE LINE MARK ALLOCATION

SANS COMPLIANT (LINE TYPE)
11 CENTRE LINES
TOTAL

2
2
4

ASSESSMENT CRITERIA
RIGHT VIEW
1 iwersser 4
2 | vaLvE Boy 2
SUBTOTAL 6
SECTIONAL FRONT VIEW
4 |iwer 144
2. | seacanc 2
3. ReTaWne rvs 22
4 |ver 63
5 | RoRmRanRTPN Tg
SUBTOTAL 54
BOTTOM VIEW
4 Jimer ot
2 |Reiawnennes | 94
aer
SUBTOTAL 19
GENERAL
41 | CENTRE LINES: 4
> a 3
3 | AssemBLy 8
‘SUBTOTAL 15
TOTAL 94
PENALTIES ()
GRAND TOTAL

Copyright reserved

### Page 10

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@—-

(PENALTY -2)
DETAIL OF THE MARK
ALLOCATION SHOWING
TWO FACES
(NOT FOR DISTRIBUTION)

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