Question 5
(a) Sketch each of the following crownwheel and pinion arrangements:
(i) spiral bevel;
(ii) hypoid bevel.
(b) State two advantages of the wire spoke weel over the pressed steel disc type.
(c) Name three common types of springs used on susspension system of a vehicle.
Observation
The performance of candidates who attempted this question was very poor as they could not provide the required responses to the questions asked. The required responses to the various parts of the question are:
(a) (i)
(ii)
(b) Advantages of the Wire Spoke Wheel
- It is lighter in weight;
- it is easier to cool;
- It is more attractive.
(c) Common types of Spring used on Vehicle Suspension System
- Laminated leaf spring;
- Coil spring OR helical spring;
- Torsional bar spring;
- Pneumatic spring OR Air spring;
- Rubber spring.