Metal Works 2, WASSCE (SC), 2019

Question 2

 

(a) (i) List three types of cooling media for heat treatment of metals
(ii) Which cooling medium is appropriate for hardening?

(b) State three importance of heat treating metals.

(c) State one use of each of the following hand tools:
(ii) scriber;
(iii) Try square.

 

Observation

 

Candidates’ performance in this question was very satisfactory.