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94.

What is the cause for battery parasitic drain ?
A) Terminal too tight B) Sulphation formed
C) Low load on battery D) High level of electrolyte

The device which opens or closes an auxiliary circuit under predetermined conditions
in the main circuit is called

A) Relay B) Contact breaker
C) Rectifier diode D) Regulator coil

Which principle is applied in solenoid switch ?
A) Impedance B) Inductance
C) Conductance D) Electromagnetism

Which of the following statement is/are correct ?
i. In alternator emf is generated in the stator coil
ii. Diodes are used to convert AC to DC in alternator
iii. Current regulator is used in alternator to regulate the current flow
A) Only i and ii B) Only ii and iii C) Onlyi,iiandiii D) Onlyi andiii

Which of the following statement is/are correct ?
i. Commutator is used to convert AC to DC in an alternator
ii. Worn out drive belt results noisy alternator
iii. Cut out relay is used with alternator
A) Only i and ii B) Only iii C) Only ii D) Only i and iii

The speed of DC generator at which its output voltage just rises above the voltage of the
battery being charged is known as

A) Cutting out speed B) Cutting in speed
C) Cutting off speed D) None of the above

Which of the following statement is/are correct ?
i. InaDC generator emf is generated in armature
ii. Current regulator, voltage regulator and cut out relay used with DC generator
iii. Slip rings are used in DC generator
A) Only i and iii B) Only ii and iii C) Only i and ii D) Only i, ii and iii

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