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.

What is the value of Yf for a lap winding with a 4-pole, 12 commutator segments, with two coil sides/slot.?
(Assume single-turns coils -retrogressive winding).

A. 9
B. 3
C. 11
D. 5
Answer» B. 3
Discussion
2.

Value of commutator pitch in lap winding is_____

A. +2
B. +1 or -1
C. -2
D. Different for different parameters
Answer» C. -2
Discussion
3.

Current flowing through the armature conductors Ic is related to total current Ia by_______

A. Ic = A Ia
B. Ic = Ia/A
C. Ic = A<sup>2</sup> Ia
D. Ic = A/Ia
Answer» C. Ic = A<sup>2</sup> Ia
Discussion
4.

What is the value of Yf for a lap winding with a 4-pole, 12-slot armature with two coil sides/slot? (Assume single-turns coils progressive winding)

A. 3
B. 5
C. 7
D. 9
Answer» C. 7
Discussion