Metal Works 2, WASSCE (SC), 2023

Question 3

 

  1. (a) (i)  Make a freehand two-dimensional sketch of a hand tap and label the following parts:
    land, shank and tang.
  2. State one reason for using a bottom tap to finish a blind hole.
  3. Explain drop fogging process.
  4. 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.