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 heat absorbed by a 20 Ω resistor when 40 V is applied across it.

A. 120 W
B. 100 W
C. 80 W
D. 110 W
Answer» D. 110 W
Discussion
2.

Calculate the heating time constant of the machine if the thermal capacity (c) of the machine is 16 watts/℃ and heat dissipation constant value (D) is 4 watts/℃.

A. 6 sec
B. 7 sec
C. 4 sec
D. 9 sec
Answer» D. 9 sec
Discussion
3.

Calculate the compensator rating required for sin(Φ)=.8.

A. 0.9 P.U
B. 0.8 P.U
C. 0.7 P.U
D. 0.2 P.U
Answer» C. 0.7 P.U
Discussion
4.

Calculate the work done in stretching the wire of length=2 m and the values of stress and strain are 16 N/m2 and 24.

A. 1566 J
B. 1644 J
C. 1522 J
D. 1536 J
Answer» E.
Discussion