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T1090(E)(N14)T NOVEMBER EXAMINATION

NATIONAL CERTIFICATE

PLATING AND STRUCTURAL STEEL DRAWING N1

(8090091)

14 November 2016 (X-Paper) 09:00–13:00

REQUIREMENTS: One A2 drawing sheet

Calculators may be used.

This question paper consists of 5 pages and 2 diagram sheets.

(8090091) -2- T1090(E)(N14)T


DEPARTMENT OF HIGHER EDUCATION AND TRAINING REPUBLIC OF SOUTH AFRICA

NATIONAL CERTIFICATE PLATING AND STRUCTURAL STEEL DRAWING N1

TIME: 4 HOURS MARKS: 100

INSTRUCTIONS AND INFORMATION 1. Answer ALL the questions. 2. Read each question carefully, plan your work and answer only what is

required.

3. Number the questions according to the numbering system used in this

question paper.

4. ALL the construction lines MUST be shown. 5. Add ALL the dimensions and descriptions unless otherwise stated. 6. Marks will be allocated for neatness. 7. Only ONE drawing sheet may be used. 8. Draw on both sides of the drawing sheet. 9. A 15 mm wide border line must be drawn on both sides of the drawing sheet. 10. Print neatly and legibly.

(8090091) -3- T1090(E)(N14)T


QUESTION 1 FIGURE 1, DIAGRAM SHEET 1 (attached), shows the front view of a solid pentagonal cone with a 60° cut.

Draw, in first-angle orthographic projection, to scale 1 : 2, the following views: 1.1

1.2

1.3

The front view of the cone

The top view of the cone

The true shape of the cut as shown in the direction of arrow A

Use the symbol to indicate the projection. The completed drawings must clearly indicate all the construction lines. The following title and scale must be printed centrally below the finished drawing: CONE SCALE 1 : 2

[15] QUESTION 2 FIGURE 2, DIAGRAM SHEET 1 (attached), shows an elbow made from two oblique pipes. The elbow will be used as part of a modification to the exhaust pipe of a motor-bike.

Draw, to scale 1 : 1, the following views: 2.1

2.2

2.3

The given view of the elbow

A view on the arrow A

The pattern of the plate to manufacture part B of the elbow (the joint of the pattern must be at X–X)

ALL the construction lines must be clearly indicated on the completed drawing. The following title and scale must be printed centrally below the completed drawing: OBLIQUE PIPE ELBOW SCALE 1 : 1

[20]

(8090091) -4- T1090(E)(N14)T


QUESTION 3 FIGURE 3, DIAGRAM SHEET 1 (attached), shows the front view of a 45° offset pipe arrangement. The offset pipe is part of the dust-extraction plant of a cigarette manufacturing company.


3.2

The given views of the offset pipe

The pattern of the plate to manufacture part A of the offset pipe (the joint of the pattern must be at X–X)

ALL the construction lines must be clearly indicated on the completed drawing. The following title and scale must be printed centrally below the completed drawing:

OFFSET PIPE

SCALE 1 : 2

[15] QUESTION 4 FIGURE 4, DIAGRAM SHEET 2 (attached), shows two views of a T-junction between a right cone and a right cylinder. The T-junction will be used as part of the ducting in the ventilation system of a shopping complex.


4.2

The two given views of the T-junction and show the line of interpenetration

The pattern of the plate to manufacture the cone (the joint of the pattern must be at X–X)

ALL the construction lines must be clearly indicated on the completed drawing. The following title and scale must be printed centrally below the completed drawing: CONE CONNECTION SCALE 1 : 1

[15]

(8090091) -5- T1090(E)(N14)T

Copyright reserved

QUESTION 5 FIGURE 5, DIAGRAM SHEET 2 (attached), shows TWO views of a square-to-round transition piece. The transition piece is part of the piping in the cooling system of a machine in a small factory. Draw, to scale 1 : 1, the following views:

5.1

5.2

The TWO given views of the square-to-round transition piece

The pattern of the plate to manufacture the square-to-round (the joint of the pattern must be at X–X)

ALL the construction lines must be clearly indicated on the completed drawing. The following title and scale must be printed centrally below the completed drawing: SQUARE-TO-ROUND SCALE 1 : 1

[20] QUESTION 6 FIGURE 6, DIAGRAM SHEET 2 (attached), shows the front view of an oblique cone which has been cut off parallel to the base. The oblique cone will be used in the water piping system of a large building. Draw, to scale 1 : 5, the following views:

6.1

6.2

The given view of the oblique cone

The pattern of the plate to manufacture the oblique cone (the joint of the pattern must be at X–X)

All the construction lines must be clearly indicated on the completed drawing. The following title and scale must be printed centrally below the completed drawing: OBLIQUE CONE SCALE 1 : 5

[15]

TOTAL: 100

(8090091) -1- T1090(E)(N14)T


DIAGRAM SHEET 1

FIGURE 1

FIGURE 2

Pipe A set at 45°

FIGURE 3

(8090091) -2- T1090(E)(N14)T

Copyright reserved

DIAGRAM SHEET 2

FIGURE 4

FIGURE 5

FIGURE 6



NOVEMBER EXAMINATION


14 NOVEMBER 2016

This marking guideline consists of 10 pages.

MARKING GUIDELINE

MARKING GUIDELINE -2- T1090(E)(N14)T PLATING AND STRUCTURAL STEEL DRAWING N1


MARK SHEET QUESTION 1: CONE Front view (2) Top view (3) True view on arrow A (6) Symbol (1) Scale (1) Accuracy (1) Neatness (1) TOTAL [15] QUESTION 2: OBLIQUE PIPE ELBOW Front view (6) View on arrow A (5) Pattern of pipe B (6) Scale (1) Accuracy (1) Neatness (1) TOTAL [20] QUESTION 3: OFFSET PIPE Front view (4) Pattern of pipe A (8) Scale (1) Accuracy (1) Neatness (1) TOTAL [15] QUESTION 4: CONE CONNECTION Front view (given) (2) Left view (2) Line of interpenetration (3) Pattern of the plate to form the cone (5) Scale (1) Accuracy (1) Neatness (1) TOTAL [15]



QUESTION 5: SQUARE-TO-ROUND Front view (2) Top view (5) Pattern of square-to-round (10) Scale (1) Accuracy (1) Neatness (1) TOTAL [20] QUESTION 6: OBLIQUE CONE Front view (3) Pattern of oblique cone (9) Scale (1) Accuracy (1) Neatness (1) TOTAL [15]

TOTAL: 100



QUESTION 1

CONE SCALE 1 : 2

[15]



QUESTION 2

OLIQUE PIPE ELBOW SCALE 1 : 1

[20]



QUESTION 3

OFFSET PIPE SCALE 1 : 2

[15]



QUESTION 4 4.1

CONE CONNECTION SCALE 1 : 1

[15]



4.2

CONE CONNECTION SCALE 1 : 1

[15]


Copyright reserved

QUESTION 5 5.1

5.2

SQUARE-TO-ROUND SCALE 1 : 1

[20]


Copyright reserved

QUESTION 6 6.1 6.2

OBLIQUE CONE

SCALE 1 : 5

[15]

TOTAL: 100


T1280(E)(M23)T APRIL EXAMINATION



(8090091)

23 March 2016 (X-Paper) 09:00–13:00

REQUIREMENTS: A2 drawing paper



(8090091) -2- T1280(E)(M23)T





INSTRUCTIONS AND INFORMATION 1. 2. 3. 4. 5. 6. 7. 8. 9 10.

Answer ALL the questions. Read ALL the questions carefully. Plan your work and answer only what is required. Number the answers according to the numbering system used in this question paper. ALL the construction lines MUST be shown. Add ALL the dimensions and descriptions unless otherwise stated. Only ONE drawing sheet may be used. Draw on BOTH sides of the drawing paper. A 15 mm wide border line must be drawn on both sides of the drawing paper. Write neatly and legibly.

(8090091) -3- T1280(E)(M23)T


QUESTION 1 FIGURE 1, DIAGRAM SHEET 1 (attached), shows the front view and incomplete top view of a solid pentagonal pyramid with a 30° cut. Draw to scale 1 : 1 the following views:

1.1 The front view of the pentagonal pyramid 1.2 The completed top view of the pentagonal pyramid 1.3 The true shape of the cut as shown in the direction of arrow A Use the symbol to indicate the projection. The completed drawings must clearly indicate all the construction lines. The following title and scale must be printed centrally below the finished drawing:

PENTAGONAL PYRAMID

SCALE 1 : 1

[15] QUESTION 2 FIGURE 2, DIAGRAM SHEET 1 (attached), shows the intersection between a right pipe and a right cone by using the common central sphere method. The intersection will be used as part of an air conditioning system in an office block. Draw to scale 1 : 2 the following views:

2.1 The given view of the intersection piece 2.2

The construction of the line of penetration between the right pipe and the right cone

2.3 The pattern of the plate to manufacture the right cone

The joint of the pattern must be at X-X.

All the construction lines must be clearly indicated on the completed drawing. Print the

following title and scale centrally below the completed drawing:

CONE INTERSECTION

SCALE 1 : 2

[15]

(8090091) -4- T1280(E)(M23)T


QUESTION 3 FIGURE 3, DIAGRAM SHEET 1 (attached), shows TWO views of an oblique T-piece, consisting of a hexagonal main pipe and a circular branch pipe. The oblique T-piece is part of a fitting on a machine in a clothing factory. Draw to scale 1 : 2 the following views:

3.1 The TWO given views of the oblique T-piece 3.2

The construction of the line of penetration line between the hexagonal main pipe and the circular branch pipe

3.3

The pattern of the plate to manufacture the circular branch pipe The joint of the pattern must be at X-X.

3.4 The shape of the hole in the hexagonal main pipe All the construction lines must be clearly indicated on the completed drawing. Print the following title and scale centrally below the completed drawing:

OBLIQUE T-PIECE

SCALE 1 : 2

[20] QUESTION 4 FIGURE 4, DIAGRAM SHEET 2 (attached), shows TWO views of a square-to-round transition piece. The transition piece is part of the ducting in the ventilation system of a shopping complex. Draw to scale 1 : 10 the following views:

4.1 The TWO given views of the square-to-round transition piece 4.2

The pattern of the plate to manufacture the square-to-round piece The joint of the pattern must be at X-X.

All the construction lines must be clearly indicated on the completed drawing. Print the following title and scale centrally below the completed drawing:

SQUARE-TO-ROUND

SCALE 1 : 10

[20]

(8090091) -5- T1280(E)(M23)T

Copyright reserved

QUESTION 5 FIGURE 5, DIAGRAM SHEET 2 (attached), shows two right cylindrical pipes which are joined by an oblique cone. The oblique cone and the two cylindrical pipes are part of the exhaust system of a motor bike. Draw to scale 1 : 1 the following views:

5.1 The given view of the oblique cone with the pipes 5.2 The pattern of the plate to manufacture the oblique cone



OBLIQUE CONE

SCALE 1 : 1

[15] QUESTION 6 FIGURE 6, DIAGRAM SHEET 2 (attached), shows TWO right pipes joined by an oblique pipe. The oblique pipe with the two right pipes will be used in a water piping system of a large building. Draw to scale 1 : 5 the following views:

6.1 The given view of the oblique pipe with the right pipes 6.2 The pattern of the plate to manufacture the oblique pipe



OBLIQUE PIPE

SCALE 1 : 5

[15] TOTAL: 100

(8090091) -1- T1280(E)(M23)T


DIAGRAM SHEET 1

FIGURE 1

FIGURE 2

FIGURE 3

(8090091) -2- T1280(E)(M23)T

Copyright reserved

DIAGRAM SHEET 2

FIGURE 4

FIGURE 5

FIGURE 6



APRIL EXAMINATION


23 MARCH 2016


MARKING GUIDELINE

MARKING GUIDELINE -2- T1280(E)(M23)T PLATING AND STRUCTURAL STEEL DRAWING N1


QUESTION1: PENTAGONAL PYRAMID

Front view 2

Top view 3

True view on arrow A 7

Scale 1

Neatness 2

TOTAL 15

QUESTION 2: CONE INTERSECTION

Front view 4

Line of penetration 2

Pattern of cone 6

Scale 1

Accuracy 1

Neatness 1

TOTAL 15

QUESTION 3: OBLIQUE T-PIECE

Front view 2

Left view 4

Line of penetration 3

Shape of hole in hexagonal main pipe 3

Pattern of circular branch pipe 5

Scale 1

Accuracy 1

Neatness 1

TOTAL 20

QUESTION 4: SQUARE-TO-ROUND

Front view 2

Top view 5

Pattern of square-to-round 10

Scale 1

Accuracy 1

Neatness 1

TOTAL 20



QUESTION 5: OBLIQUE CONE

Front view 3

Pattern of oblique cone 9

Scale 1

Accuracy 1

Neatness 1

TOTAL 15

QUESTION 6: OBLIQUE PIPE

Front view 3

Pattern of oblique pipe 9

Scale 1

Accuracy 1

Neatness 1

TOTAL 15



QUESTION 1

FIGURE 1

PENTAGONAL PYRAMID

SCALE 1 : 1



QUESTION 2

FIGURE 2

CONE INTERSECTION

SCALE 1 : 2



QUESTION 3

FIGURE 3

OBLIQUE T-PIECE

SCALE 1 : 2



QUESTION 4

FIGURE 4

SQUARE-TO-ROUND

SCALE 1 : 10



QUESTION 5

FIGURE 5

OBLIQUE CONE

SCALE 1 : 1


Copyright reserved

QUESTION 6

FIGURE 6

OBLIQUE PIPE

SCALE 1 : 5


T1230(E)(A7)T AUGUST EXAMINATION



(8090091)

7 August 2015 (Y-Paper) 13:00–17:00

REQUIREMENTS: A2 drawing paper



(8090091) -2- T1230(E)(A7)T





INSTRUCTIONS AND INFORMATION 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. ALL the construction lines MUST be shown. Add ALL the dimensions and descriptions unless otherwise stated. Marks will be allocated for neatness. Only ONE drawing sheet may be used. Draw on both sides of the drawing paper. A 15 mm wide border must be drawn on both sides of the drawing paper. Write neatly and legibly.

(8090091) -3- T1230(E)(A7)T


QUESTION 1 FIGURE 1, DIAGRAM SHEET 1 (attached), shows a solid cone with a cut, parallel to the right side of the cone as seen in the direction of arrow 'R'. Use scale 1 : 1 and draw the following views:

1.1 The given view of the solid cone

1.2 The top view of the solid cone

1.3 The true shape of the cut, parallel to the right side of the cone, as shown in

the direction of arrow 'R'.

The completed drawing must clearly indicate all the construction lines. The following title and scale must be printed centrally below the finished drawing:

SOLID CONE WITH PARALLEL CUT SCALE 1 : 1

[15]

QUESTION 2 FIGURE 2, DIAGRAM SHEET 1 (attached), shows a junction where THREE circular pipes are connected together to form a Y-piece that will be used to manufacture an air- conditioning system in an office block. Draw the following views to scale 1 : 5:

2.1 The given Y-piece 2.2 The pattern of the plate to manufacture the pipe marked 'A'. The joint is

indicated by x-x.

All the construction lines must be clearly indicated on the completed drawing. Print the title and scale centrally below the completed drawing: Y-PIECE

SCALE 1 : 5

[20]

(8090091) -4- T1230(E)(A7)T


QUESTION 3 FIGURE 3, DIAGRAM SHEET 1 (attached), shows TWO views of a rectangular-to-rectangular transition piece that is part of a fitting on a machine. Draw the following views to scale 1 : 2:

3.1 The TWO given views of the transition piece 3.2 The pattern of the plate to make the rectangular-to-rectangular transition

piece. The joint of the pattern must be at x-x.


RECTANGULAR – TO – RECTANGULAR TRANSITION PIECE SCALE 1 : 2

[20]

QUESTION 4 FIGURE 4, DIAGRAM SHEET 2 (attached), shows a front view and an incomplete top view of a truncated hexagonal pyramid. Draw the following viewS to full – size scale:

4.1 The TWO given front and top views of the pyramid 4.2 The completed top view of the pyramid 4.3 The pattern of the plate to make the truncated hexagonal pyramid. The joint

of the pattern must be at x-x.

Use the symbol to indicate the projection. All the construction lines must be clearly indicated on the completed drawing. Print the following title and scale centrally below the completed drawing:

TRUNCATED HEXAGONAL PYRAMID SCALE 1 : 1

[15]

(8090091) -5- T1230(E)(A7)T

Copyright reserved

QUESTION 5 FIGURE 5, DIAGRAM SHEET 2 (attached), shows an oblique cone that will be used in a dust extraction plant of a furniture manufacturing factory. Use scale 1 : 1 and draw the following views:

5.1 The given view of the oblique cone 5.2 The pattern of the plate to manufacture the oblique cone. The joint of the

pattern must be at x-x.


TRUNCATED HEXAGONAL PYRAMID SCALE 1 : 1

[15]

QUESTION 6 FIGURE 6, DIAGRAM SHEET 2 (attached), shows a Y-piece made of TWO oblique pipes and a round pipe that will be used on the exhaust system of a motor bike. Draw the following views to scale 1 : 2:

6.1 The given view of the oblique pipe 6.2 The pattern of the plate to manufacture the oblique cone All the construction lines must be clearly indicated on the completed drawing. Print the following title and scale centrally below the completed drawing:

OBLIQUE Y-PIECE SCALE 1 : 2

[15]

TOTAL: 100

(8090091) -1- T1230(E)(A7)T

Please turn over Copyright reserved Please turn over

DIAGRAM SHEET 1

FIGURE 1 FIGURE 2

FIGURE 3

15º

Ø 2

25

250

Ø 225

300

Ax

x

x-x = JOINT / LAS

14

72

19

Ø 56

R

110

190

100

120

60

x

x

x

x

x-x = JOINT / LAS

(8090091) -2- T1230(E)(A7)T

Please turn over Copyright reserved

DIAGRAM SHEET 2

FIGURE 4 FIGURE 5

FIGURE 6

36

68

30º

68

x

x

x-x = JOINT / LAS

x-x

Ø 100

45º

4050

x

x

x-x = JOINT / LAS

90º

Ø 64

E

84

120



AUGUST EXAMINATION


7 AUGUST 2015


MARKING GUIDELINE

MARKING GUIDELINE -2- T1230(E)(A7)T PLATING AND STRUCTURAL STEEL DRAWING N1


MARKSHEET

QUESTION 1: SOLID CONE WITH PARALLEL CUT

Front View 2

Top View 3

True view on view R 7

Scale 1

Neatness 2

TOTAL 15

QUESTION 2: Y-PIECE

Front View 5

Top View 1

Development of A 11

Scale 1

Neatness 2

TOTAL 20

QUESTION 3: RECTANGULAR – TO – RECTANGULAR TRANSITION PIECE

Front View 2

Top View 3

Development 12

Scale 1

Neatness 2

Total 20

QUESTION 4: TRUNCATED HEXAGONAL PYRAMID

Front View 2

Top View 2

Symbol 1

Development 7

Scale 1

Neatness 2

TOTAL 15



QUESTION 5: OBLIQUE CONE

Front View 3

Development 9

Scale 1

Neatness 2

TOTAL 15

QUESTION 6: OBLIQUE Y-PIECE

Front View 3

Development of Oblique Pipe E 9

Scale 1

Neatness 2

TOTAL 15

TOTAL: 100



QUESTION 1

FIGURE 1 SOLID CONE WITH PARALLEL CUT

SCALE 1 : 1

[15]



QUESTION 2

FIGURE 2 Y-PIECE

SCALE 1: 5

[20]



QUESTION 3

FIGURE 3 RECTANGULAR-TO-RECTANGULAR TRANSITION PIECE

SCALE 1 : 2

[20]



QUESTION 3

FIGURE 3 REGTANGULAR-TO-REGTANGULAR TRANSITION PIECE

SCALE 1 : 2

[20]



QUESTION 4

FIGURE 4 TRUNCATED HEXAGONAL PYRAMID

SCALE 1 : 1

[15]



QUESTION 5

FIGURE 5 OBLIQUE CONE

SCALE 1 : 2

[15]


Copyright reserved

QUESTION 6

[15]

TOTAL: 100

FIGURE 6 OBLIQUE Y-PIECE

SCALE 1 : 2


T1240(E)(A15)T

APRIL EXAMINATION



(8090091)

15 April 2015 (Y-Paper) 13:00–17:00


(8090091) -2- T1240(E)(A15)T





INSTRUCTIONS AND INFORMATION 1. 2. 3. 4. 5. 6. 7. 8.

Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. ALL construction lines MUST be shown. Add ALL the dimensions and descriptions, unless otherwise stated. Only ONE sheet of DRAWING PAPER to be used. Draw on BOTH sides of the DRAWING PAPER. Write neatly and legibly.

(8090091) -3- T1240(E)(A15)T


QUESTION 1 FIGURE 1, DIAGRAM SHEET 1 (attached), shows a 40-mm diameter pipe. 1.1 Draw the given view. 1.2 Develop the pattern of the plate to make the pipe. 1.3 Print the title and scale. RIGHT PIPE SCALE 1 : 1

[10]

QUESTION 2 FIGURE 2, DIAGRAM SHEET 1 (attached), shows a pentagonal pipe with sides of 30 mm.

2.1 Draw the two views. 2.2 Develop the shape of the plate required to make the pipe. 2.3 Print the title and scale. PENTAGONAL PIPE SCALE 1 : 1

[15]

QUESTION 3 FIGURE 3, DIAGRAM SHEET 1 (attached), shows a 300-mm diameter square Y-piece.

3.1 Draw the given view. 3.2 Develop the pattern of the plate marked A. 3.3 Print the title and scale. RIGHT Y-PIECE SCALE 1 : 10

[15]

(8090091) -4- T1240(E)(A15)T


QUESTION 4 FIGURE 4, DIAGRAM SHEET 2 (attached), shows an oblique cone. 4.1 Draw the given view. 4.2 Develop the pattern of the plate required to make the oblique cone. 4.3 Print the title and scale. OBLIQUE CONE SCALE 1 : 2

[15] QUESTION 5 FIGURE 5, DIAGRAM SHEET 2 (attached), shows the intersection between a right pipe and right cone.

5.1 Use the common central-sphere method to draw the given view. 5.2 Develop the pattern of the cone. 5.3 Print the title and scale. CONE CONNECTION SCALE 1 : 1

[15] QUESTION 6 FIGURE 6, DIAGRAM SHEET 2 (attached), shows the front view and an incomplete plan of a right pyramid.

6.1 Draw the front view, complete the top view. 6.2 Develop the pattern of the pyramid. 6.3 Print the title and scale. PYRAMID SCALE 1 : 1

[15]

(8090091) -5- T1240(E)(A15)T


QUESTION 7 FIGURE 7, DIAGRAM SHEET 2 (attached), shows a square-to-round transition piece. 7.1 Draw the given view. 7.2 Develop the plate to make the transition piece. 7.3 Print the title and scale. SQUARE-TO-ROUND TRANSITION PIECE SCALE 1 : 2

[15]

TOTAL: 100

(8090091) -6- T1240(E)(A15)T


DIAGRAM SHEET 1

FIGURE 1

800

FIGURE 2

600

57

300

30

Ø 40

60

FIGURE 3

25O

250

400

‘A’

300 SQ

300

-1-

(8090091) -7- T1240(E)(A15)T


DIAGRAM SHEET 2

Ø 60

FIGURE 4

50

FIGURE 6

Ø 160 40

110

Ø 40

30

FIGURE 5

80

FIGURE 7

40

Ø 60

1000

100

300

10

-2-



APRIL EXAMINATION


15 APRIL 2015


MARKING GUIDELINE



Question 1 Mark

Front view 2

Top view

Left view

True profile of hole

Development 4

Title and scale 2

Neatness 2

Total 10

Question 2 Mark

Front view 3

Top view 3

Left view

True profile of cone

Development 5

Title and scale 2

Neatness 2

Total 15

Question 3 Mark

Front view 4

Top view

Left view

True profile

Development 4

Title and scale

Neatness 2

Total 10

Question 4 Mark

Front view 4

Top view

Left view

True profile of cone

Development 7

Title and scale 2

Neatness 2

Total 15



Question 5 Mark

Front view 5

Top view

Development 8

True profile from A

Symbol

Title and scale

Neatness 2

Total 15

Question 6 Mark

Front view 2

Top view 3

Left view

True profile

Development 6

Title and scale 2

Neatness 2

Total 15

Question 7 Mark

Front view 5

Top view

Left view

True profile

Development 8

Title and scale

Neatness 2

Total 15



QU

ES

TIO

N 1

RIG

HT

PIP

E

SC

AL

E 1

: 1



QU

ES

TIO

N 2

PE

NT

AG

ON

AL

PIP

E

SC

AL

E 1

: 1



QU

ES

TIO

N 3

RIG

HT

Y-P

IEC

E

SC

AL

E 1

: 1

0



QUESTION 4 OBLIQUE CONE

SCALE 1 : 2



QU

ES

TIO

N 5

CO

NE

CO

NN

EC

TIO

N

SC

AL

E 1

: 1



QUESTION 6 PYRAMID

SCALE 1 : 1



QU

ES

TIO

N 7

SQ

UA

RE

TO

-RO

UN

D T

RA

NS

ITIO

N P

IEC

E

SC

AL

E 1

: 2


T1210(E)(A9)T

APRIL EXAMINATION



(8090091)

9 April 2014 (Y-Paper) 13:00–17:00

REQUIREMENTS: ONE drawing sheet


(8090091) -2- T1210(E)(A9)T





INSTRUCTIONS AND INFORMATION 1. 2. 3. 4. 5. 6. 7. 8. 9. 10.

Answer ALL the questions. Read ALL the questions carefully. Number the answers according to the numbering system used in this question paper. ALL construction lines MUST be shown. Add ALL the dimensions and descriptions, unless otherwise stated. Marks will be allocated for neatness. TWO DIAGRAM SHEETS are attached. Only ONE sheet of DRAWING PAPER to be used. Use BOTH sides of the DRAWING PAPER. Write neatly and legibly.

(8090091) -3- T1210(E)(A9)T


QUESTION 1 FIGURE 1, DIAGRAM SHEET 1 (attached) shows a 40 mm diameter pipe. 1.1 Draw the given view. 1.2 Develop the pattern of the plate to make the pipe. 1.3 Print the following title and scale: RIGHT PIPE

SCALE 1 : 1

[10] QUESTION 2 FIGURE 2, DIAGRAM SHEET 1 (attached) shows a pentagonal pipe with sides of 30 mm.

2.1 Draw the two views. 2.2 Develop the shape of the plate required to make the pipe. 2 .3

Print the following title and scale:

PENTAGONAL PIPE

SCALE 1 : 1

[15] QUESTION 3 FIGURE 3, DIAGRAM SHEET 1 (attached) shows a 300 mm diameter square Y-piece. 3.1 Draw the given view. 3.2 Develop the pattern of the plate marked ‘A’ . RIGHT Y-PIECE

SCALE 1 : 10

[15]

(8090091) -4- T1210(E)(A9)T


QUESTION 4 FIGURE 4, DIAGRAM SHEET 2 (attached) shows an oblique cone. 4.1 Draw the given view. 4.2 Develop the pattern of the plate required to make the oblique cone. 4.3 Print the following title and scale: OBLIQUE CONE

SCALE 1 : 2

[15] QUESTION 5 FIGURE 5, DIAGRAM SHEET 2 (attached) shows the intersection between a right pipe and a right cone.

5.1 Use the common central sphere method to draw the given view. 5.2 Develop the pattern of the cone. CONE CONNECTION

SCALE 1 : 1

[15]

QUESTION 6 FIGURE 6, DIAGRAM SHEET 2 (attached) shows the front view and an incomplete plan of a right pyramid.

6.1 Draw the front view and complete the top view. 6.2 Develop the pattern of the pyramid. 6.3 Print the following title and scale:

PYRAMID

SCALE 1 : 1

[15]

(8090091) -5- T1210(E)(A9)T


QUESTION 7 FIGURE 7, DIAGRAM SHEET 2 (attached) shows a round-to-square transition piece. 7.1 Draw the given view.

7.2 Develop the plate to make the transition piece. ROUND-TO-SQUARE TRANSITION PIECE

SCALE 1 : 10

[15]

TOTAL: 100

(8090091) -6- T1210(E)(A9)T


DIAGRAM SHEET 1

-1-

FIGUUR 1

800

FIGUUR 2

600

57

300

30

Ø 40

60

FIGUUR 3

25O

250

400

‘A’

300 SQ

300

-2-

(8090091) -7- T1210(E)(A9)T


DIAGRAM SHEET 2

Ø60

FIGUUR 4

50

FIGUUR 6

Ø160 40

110

Ø 40

30

FIGUUR 5

80

FIGUUR 7

40

Ø 60

1 000

100

300

10



APRIL EXAMINATION


28 MARCH 2014


MARKING GUIDELINE



PLATING AND STRUCTURAL STEEL DRAWING N1 MARK ALLOCATION

MARCH 2014

Question 1

Front View 5

Development 'A' 8

Neatness 2

Total 15

Question 2

Front View 2

SCALE 1

Development 5

Neatness 2

Total 10

Question 3

Front and top View 3

Development 10

Neatness 2

Total 15

Question 5

Front View 2

Line of Penetration 2

Trop View 2

Development 'A' (Branch Pipe) 6

Development 'B' (Hole) 6

Neatness 2

Total 20

Question 7

Front View 2

Development 11

Scale 1

Neatness 1

Total 15

Question 4

Front View 3

Top View 4

Left View 4

Simbol 2

Neatness 2

Total 15

Question 6

Front View 2

Scale 1

DEvelopment 5

Neatness 2

Total 10



QUESTION 1

SQUARE TANK [15]



QUESTION 2

OBLIQUE CONE

SCALE 1 : 2

[10]



QUESTION 3

RECTANGLE-TO-ROUND [15]



QUESTION 4

[15]



QUESTION 5

[20]



QUESTION 6

[10]



QUESTION 7

LOBSTER-BACK BEND [15]

TOTAL: 100

email: [email protected] typical exam questions ... · 1.2 the completed top view of the...

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