Auto mechanics Paper 2 WASSCE (SC), 2020

Question 5

 

(a) Sketch a coil ignition system for a four-cylinder petrol engine and label the following parts: ignition coil, distributor and contact breaker
(b) State one function each of the following electronic devices, as applied to Automobiles: diode; transistor;
(c) State one use of a hydrometer in auto mechanics workshop.

Observation

 

A high percentage of those who attempted the question could not properly sketch the system. The solution to the poorly answered question is given below