Auto mechanics Paper 2 WASSCE (SC), 2023

Question 3

 

(3) (a) State two advantages of front engine, rear wheel drive.

(b)  (i) Define the term dwell angle of coil ignition system.

(ii) State the purpose of each of the following ignition components:

  1. condenser;
  2. spark plug;
  3. battery.

(c).  List three parts of the starter motor.

     

Observation

 

Candidates’ responses to these questions are encouraging. However, they were unable to correctly define the term, dwell angle. The correct definition is given below

 

(b) (i)  Definition of dwell angle of coil ignition system
           
Dwell angle of coil ignition system is the angle through which the cam turns while the points remain closed

OR

The period when the contact breaker is closed.