Metal Works Paper 1, Nov/Dec. 2012

Metal Works Paper 1, Nov/Dec. 2012

Questions:	1	2	Main

General Comments
Strength
Weakness/Remedies

Question 1
TEST B The following materials were supplied: one piece free cutting mild steel rod,Ø50 mm x 85 mm long; one cotton bag, 100 mm x 70 mm to enclose the finished work; two tie-on labels. The diagram below shows a detailed view of a machine part. Produce the part using the material supplied.
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OBSERVATION
Only 2% of the candidates attempted this exercise where they were required to turn the shaft to different sizes, drill, knurl, chamfer and produce a good finishing. Most of the candidates did not attempt this exercise because of lack of equipment and machines needed for the exercise.