DC GENERATORS

DC GENERATORS

University

12 Qs

quiz-placeholder

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DC GENERATORS

DC GENERATORS

Assessment

Quiz

Education

University

Medium

Created by

NARMETA RAMU

Used 24+ times

FREE Resource

12 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The armature of DC Generator is laminated to

To reduce bulk

To insulate the core

To reduce hysterisis loss

To reduce Eddy current Loss

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The field coils of DC generator are usually made of

Mica

Copper

Cast Iron

Carbon

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The demagnetizing component of armature reaction in a DC Generator


Reduces generator e.m.f.

increases armature speed

Reduces interpoles flux density

Results in sparking trouble

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Equalizer rings are required in case of armature is

Wave wound

Lap Wound

Delta Wound

Duplex wound

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A dc generator works on the principle of

Lenz's law

Ohm's law

Faraday's law of electromagnetic induction

None of the above

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In DC generators Lap winding is used for

High voltage, high current

Low voltage, high current

High voltage, low current

Low voltage, low current

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of commutator in a DC generator?

To reduce bulk

To reverse the direction of current in the armature coil

To insulate the core

To reduce Eddy current Loss

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