Majority of the candidates were able to:
- use the ironmongery used for a wooden casement window;
- sketch and label the window frame in elevation.
However, few candidates were unable to state the function of an external wall.
The expected response to question 4 is as given below:
(a) and (b)
(c) Ironmongery for a wood casement window include:
- butt hinge
- casement peg stay
- case fastener
- sliding stay
- screw
(d) Three functions of an external wall should include:
- offering adequate resistance to fire
- resistance to damp penetration
- providing adequate thermal insulation
- providing sufficient sound insulation
- support of upper floors and roofs and their loading
- accommodation of windows and doors attractiveness at external view
