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Spark plug with end cap design improves engine performance by
A) Improving combustion swirl

B) Provide good seal when installed

C) Minimizing the heat range of plug

D) Increase compression ratio

Which of the following statements are correct regarding ‘Distributor less ignition
system’ ?
|. Two spark plugs are ignited at the same time.
Il. Two power stroke happens at the same time.
Ill. Ignition coil having two primary and two secondary windings.

A) land Il B) Il and Ill

0۱۷۱ D) All of the above |, Il and III
Output current of an alternator is regulated by

A) Current regulator B) Cut out relay

C) Rectifier D) Self current limiting action

In charging system, the charging indicating lamp connected between
A) Alternator field terminal (1G) and (L) terminal of an alternator

B) Alternator output terminal (B) and ground

C) Battery and alternator ground

D) Alternator field terminal (1G) and alternator ground

Why series wound starter motor is generally used in automobiles ?
A) Silent operation B) Minimum current consumption
C) High cranking speed D) High starting torque

Starter motor brushes are given a curvature at bottom for
A) Increase contact area with commutator

B) Reduce spring pressure on commutator

C) Reduce overheating

D) All of the above

‘Indexing pin’ in the bulbs are used to

A) Lock the wiring harness with bulb socket

B) Test the functioning of bulb

C) Position the bulb terminals properly in the socket
D) Test the bulb filament continuity