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 phase angle of the sinusoidal waveform y(t)=55sin(4πt+π÷8).

A. π÷8
B. π÷5
C. π÷7
D. π÷4
Answer» B. π÷5
Discussion
2.

Calculate the useful power developed by a motor using the given data: Pin = 3000 W, Ia = 60 A, Ra = .4 Ω. Assume frictional losses are 200 W and windage losses are 400 W.

A. 970 W
B. 960 W
C. 980 W
D. 990 W
Answer» C. 980 W
Discussion
3.

R.M.S value of the sinusoidal waveform V=Vmsin(ωt+α).

A. Vm÷2½
B. Vm÷2¼
C. Vm÷2¾
D. Vm÷3½
Answer» B. Vm÷2¼
Discussion
4.

The unit of angular velocity is rad/s3.

A. True
B. False
Answer» C.
Discussion