SECTION A(a) State two requirements of each of the following for a working automobile braking
system
(I)brake fluid;
(II)brake lining material.
(b) State two advantages of disc brake over drum brake, as used in motor vehicles.
(c) State one cause of automobile pulling to one side when brake is applied.
(d) What is the colour of automobile brake light?
Observation
Candidates who attempted this question did appreciably well. The attempt on the
question was good; however, the respondents could not state a cause of automobile pulling to one side when brake is applied as asked in 4(c). Few candidates could not give the correct colour of automobile brake light as well.
The solution to the poorly answered question is given below.
(c) Causes of automobile pulling to one side when brake is applied
- Incorrecttyre pressures
-Oil or grease on lining at opposite sides
-Loose back plate bolts
-Choked flexible pipe at one side
- Distorted or cracked drum
- Use of uneven tyre size (or type)
- Binding brake on one side
- Leaking brake pipe at one side
(d) The colour of the brake light is RED