Question 3
- (a) (i) Make a freehand two-dimensional sketch of a hand tap and label the following parts:
land, shank and tang. - State one reason for using a bottom tap to finish a blind hole.
- Explain drop fogging process.
- State one reason for bending the teeth of the hacksaw blade to the right and left alternatively?
Observation
Most of the candidates attempted this question and their performance was okay.