Observation

Most candidates were able to:
 
-           list four types of clay brick;
-           sketch skutch and spirit level.

However, few candidates failed to state maintenance principles of prolonging the life span of a block moulding machine.

The expected response to question 1 is as given below:

1(a)       Any four types of clay bricks

facing brick/decorative brick;

common brick;

engineering brick;

felton/adobe brick;

firebricks;

terracotta brick;

air/vent brick;

wire-cut brick;

pressed clay brick;

special brick/perforated brick.

 

 (b)       Any three ways of prolonging the life span of a block moulding machine

adhering to manufacturer’s instructions in operating the machine;

ensuring that the machine is firmly positioned on the ground;

washing the mould of the machine after use;

ensuring that the cooling system is functioning;

carrying out periodic/regular servicing of the machine (maintenance);

using correct/appropriate grade of engine oil when servicing the machine;

using correct size of fan belt;

assigning competent personnel to operate the machine;

installing the machine under a shed;

use the correct voltage of electric power for the electrical type;

oiling/greasing the moving parts of the machine;

checking the water level and oil of the machine daily before use.

 

(c)