Explore topic-wise MCQs in Dc Machines.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Dc Machines knowledge and support exam preparation. Choose a topic below to get started.

1.

The armature of DC motor is laminated to ____________

A. To reduce mass
B. To reduce hysteresis loss
C. To reduce eddy current loss
D. To reduce inductance
Answer» D. To reduce inductance
Discussion
2.

If a DC motor is connected to AC supply what will happen then?

A. Not run
B. Burn
C. Run at normal speed
D. Run at extremely low speed
Answer» C. Run at normal speed
Discussion
3.

In normal dc machines operating at full-load conditions, the most powerful electromagnet is _________

A. Field winding
B. Interpole Winding
C. Interpole and compensating winding together
D. Armature winding
Answer» B. Interpole Winding
Discussion
4.

6.Which of the following part is used in construction of DC machine but not in AC machine?

A. Armature Winding
B. Field winding
C. Commutator
D. Shaft
Answer» D. Shaft
Discussion