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.

Armature reaction at 900 to the main field is called as ____________

A. Demagnetizing mmf
B. Cross-magnetizing mmf
C. Anti-magnetizing mmf
D. Magnetizing mmf
Answer» D. Magnetizing mmf
Discussion
2.

In a DC machine brushes are normally located along GNA.

A. True
B. False
Answer» B. False
Discussion
3.

In a DC generator, the effect of armature reaction on the main pole flux is to _________

A. Reduce it
B. Distort it
C. Reverse it
D. Reduce and distort it
Answer» E.
Discussion
4.

In DC generator, how armature reaction is produced?

A. Its field current
B. Armature conductors
C. Field pole winding
D. Load current in armature
Answer» E.
Discussion