6040q02

Extracted Content: 6040q02

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For Peformance, Heures

ZIMBABWE SCHOOL EXAMINATIONS COUNCIL

General Certificate of Education Advanced Level

METAL TECHNOLOGY AND DESIGN 6040/02

PAPER 2 PRACTICAL (BENCH FITTING AND FABRICATION)

SPECIMEN PAPER 3 hours 10 minutes

Additional materials:

Please see page 2

INFORMATION FOR CANDIDATES

Drawings are not scale.

This question paper consists of 5 printed pages and 3 blank pages.
Copyright: Zimbabwe School Examinations Council, Specimen paper.
@ZIMSEC Specimen paper [Turn over

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A second supply of material is not allowed. If you make a mistake, do your best to work as
close to the given measurements as possible.

All heated parts should not be quenched in water or oil but should be left to cool down
slowly.

All dimensions not given are left to your own discretion.
Attempt to complete all the work, but remember that a partly completed piece of good quality
work may gain more marks than a piece of work that is complete, but poorly finished and

inaccurate.

Clean all pieces by draw filing the edges. Do not use emery cloth or similar material.

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6b)
©

From the materials supplied, you are required to make an ADJ USTABLE TOOL
CLAMP as shown in the diagram in Figure 1. Adjustments have been made for
examination purposes only.

All dimensions are in millimetres.

The following materials are required to make the Adjustable Tool Clamp:

PART 1

PART 2

PART 3

PART 4

PART 5

PART 6

Accessories:

One pi

(BMS) 110 x 25 x 12 (Both ends squared)

One pi

(BMS) 50 x 25 x 12 (Both ends squared)

One pi

(BMS) @15 x 112 long (one end faced)

One pi

(BMS)@8 x 75 long (one end faced)

One pi

ece BRIGHT Drawn Mild Steel (BDMS)/Black Mild Steel

ece BRIGHT Drawn Mild Steel (BDMS) /Black Mild Steel

ece BRIGHT Drawn Mild Steel (BDMS) /Black Mild Steel

ece BRIGHT Drawn Mild Steel (BDMS) /Black Mild Steel

ece BRIGHT Drawn Mild Steel (BDMS) /Black Mild Steel

(BMS) 25 x 15 x 3 (both ends squared)

NB: Part 6 procured before the examination ready for use.

Two piece BRIGHT Drawn Mild Steel (BDMS) 25 x 10x 3 all ends

square

d

Four M5mm x 4C /sunk head machine screws
One grub screw @4x 8.5 mm long

NB:

[he following equipment is required for this examination:

The centre lathe and its accessories

A pillar drilling machine

Oxy-acetylene equipment

A milling machine (is optional)

General measuring and marking out tools (steel rules,
engineer’s square, centre punch, spring dividers)
Cutting tools (hacksaw, bastard file, second cut file)

Drills @3.5 mm drill bit
@5 mm drill bit
@8.0mm drill bit
@8.1 mm drill bit

Dies M5x1
M5x 1.25

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5 SILVER SOLDER PART 5 TO 3

Figure 1

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15
8.
3.
rY 8 it
_| OA 0 | M5X1
M8X 1.25
N
a
28
{ 12 XK 45° +2 45°
4CHAMFER 4 CHAMFER

Figure 2

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