waecE-LEARNING
Auto Mechanics Paper 2,Nov/Dec 2010.  
Questions:   1 2 3 4 5   Main
General Comments
Weakness/Remedies
Strength













Question 5

The sketch below shows the layout of an automobile ignition secondary circuit.

(a) Name the parts labelled J, K, L, M and N

(b) State two firing orders for a four-cylinder in-line engine.

(c) State the purpose of the following:
                     (i)         distributor;
                     (ii)        condenser.

(d) State one effect of each of the following on the performance of an engine:
                     (i)             contact breaker points gap wider than the specified value;
                     (ii)        cracked high tension cable.

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OBSERVATION

(a)      Name the parts labelled J, K, L, M and N

(b)       State two firing orders for a four-cylinder in-line engine.

(c)        State the purpose of the following:
                     (i)         distributor;
                     (ii)        condenser.

(d)       State one effect of each of the following on the performance of an engine:
                     (i)             contact breaker points gap wider than the specified value;
                     (ii)        cracked high tension cable.

This question also attracted many candidates. The parts of the question that posed problem to the candidates were part (a) and (d). The required responses to these partsare:

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