Explore topic-wise MCQs in Electric Drives Questions and Answers.

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

1.

Calculate the total heat dissipated in a rotor resistor of 21 Ω when .81 A current flows through it.

A. 13.77 W
B. 12.56
C. 16.78 W
D. 13.98 W
Answer» B. 12.56
Discussion
2.

Calculate the maximum value of slip when rotor resistance is 2 Ω and rotor reactance is 3 Ω.

A. 0.66
B. 0.33
C. 0.44
D. 0.99
Answer» B. 0.33
Discussion
3.

The slope of the V-I curve is 35.48°. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line.

A. 0.452 Ω
B. 0.462 Ω
C. 0.752 Ω
D. 0.712 Ω
Answer» E.
Discussion
4.

R.M.S value of the sinusoidal waveform v(t)=211sin(7.25t+7π÷78.3).

A. 149.19 V
B. 156.23 V
C. 116.57 V
D. 178.64 V
Answer» B. 156.23 V
Discussion