Question 4
(a) State two advantages of sandcrete brick fence wall over unburnt clay block fence wall.
(b) State three factors that would influence the selection of a type of gate for a school fence wall.
(c) Sketch a concrete block used for the construction of a road kerb:
Observation
Most candidates were able to:
- State two advantages of sandcrete brick fence wall over unburnt clay block fence wall;
- Sketch a concrete block used for the construction of a road kerb.
However, majority of them failed to state three factors that would influence the selection of a type of gate for a school fence wall:
The expected response to question 4 (b) is as given below:
(b) Factors that would influence the selection of a type of gate for a school fence wall:
- availability of the material;
- the cost involved in erecting the gate/affordability;
- durability of the material;
- the strength of the material to be used;
- the ability of the material to withstand weather element.