Explore topic-wise MCQs in Electrical Machines Questions and Answers.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Machines Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Below is the circuit diagram for delta-delta transformer have a transformation ratio ‘k’. The current flowing in the windings of phase r-y in the below diagrams is?

A. k*I/1.73
B. I/k*1.73
C. 1.73*k*I
D. 3*k*I
Answer» B. I/k*1.73
Discussion
2.

The voltage across the terminal ‘r’ and ‘y’ is?

A. 1.73*V
B. V/1.73
C. V
D. 3*V
Answer» C. V
Discussion
3.

For the given circuit below, the voltage across the terminal ‘a’ and ‘b’ is?

A. 1.73*V
B. V/1.73
C. V
D. 3*V
Answer» B. V/1.73
Discussion