DC Machine Quiz-2

DC Machine Quiz-2

12th Grade

13 Qs

quiz-placeholder

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DC Machine Quiz-2

DC Machine Quiz-2

Assessment

Quiz

Education

12th Grade

Practice Problem

Medium

Created by

Benin pratap

Used 3+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary function of the commutator in a DC generator?

To provide mechanical strength

To collect the current generated in armature conductors

To support field coils

To reduce eddy current losses

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the outer frame of a DC machine called?

Commutator

Stator

Rotor

Yoke

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which type of winding is characterized by overlapping coil sides?

Single layer winding

Lap winding

Two layer winding

Wave winding

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of pole shoes in a DC machine?

To provide mechanical strength

To reduce eddy current losses

To connect the armature winding

To support field coils and spread out the flux

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the term for the distance between the centers of two adjacent poles in a DC machine?

Front pitch

Coil span

Back pitch

Pole pitch

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a DC machine, what is the armature core primarily made of?

Aluminum

Cast iron

Copper

Laminated steel disks

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of winding is used for high voltage and low current machines?

Lap winding

Wave winding

Two layer winding

Single layer winding

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