(a)(i)    Most of the candidates had difficulties in providing the required response to this part of the question.  The required response expected from the candidates is:

Annealing a high carbon steel involves heating the metal above the upper critical range and cooling the steel slowly in the furnace or in sand.  The slow cooling enables the steel to retain its original qualities thus giving the steel a coarse structure.

(b) This part of the question was another difficult area.  The required response is:  The
 amount of carbon in metals determines the degree of hardness of the metal.

(c) Most of the candidates gave the required response to this part of the question.