Question 1

It is converting the prime – mover mechanical power into electrical active power

Accepted Answer

The generator

Answer

Multi-meter

Answer

The transformer

Answer

The motor

Question 2

It is used for holding the armature stampings and windings in position

Accepted Answer

Stator frame

Answer

Rotor

Answer

Stator core

Answer

End plate

Question 3

A non-salient poles rotor is used in

Accepted Answer

High speed alternators

Answer

Low speed alternators

Answer

Medium speed alternators

Answer

Any speed

Question 4

The method which used to supply dc power to the rotor windings is called

Accepted Answer

Excitation through brushes

Answer

Brushless excitation

Answer

Magnetic field

Answer

Field poles

Question 5

Brushless excitation is used on

Accepted Answer

Larger generators

Answer

Big motors

Answer

All of the above

Answer

Small generators

Question 6

Cooling of synchronous generator is done by

Accepted Answer

All of them

Answer

Water

Answer

Air

Answer

Hydrogen

Question 7

………… is used to measure electrical current

Accepted Answer

The ammeter

Answer

The voltmeter

Answer

The ohmmeter

Answer

The speed meter

Question 8

In  synchronous generator, the part which give electricity

Accepted Answer

Armature

Answer

Slip ring

Answer

Shaft

Answer

bearing

Question 9

The speed of the induction motor can be controlled by

Accepted Answer

All of them

Answer

By changing the electrical frequency

Answer

By changing the number of poles

Answer

By changing the rotor resistance

Question 10

The brushes made of :

Accepted Answer

Carbon

Answer

Copper

Answer

Steel

Answer

Wood

Question 11

ما هي عاصمة البحرين؟

Accepted Answer

المنامة

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