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

This section includes 7 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 mass of the solid cylinder having a mass of 4 kgm2 and radius of 4 m & length of 12 m.

A. 64 kgm2
B. 68 kgm2
C. 67 kgm2
D. 69 kgm2
Answer» B. 68 kgm2
2.

Lowest order harmonic present in 3-Φ fully controlled rectifier is __________

A. 5th
B. 7th
C. 3rd
D. 2nd
Answer» B. 7th
3.

Calculate the compensator rating required for cos(Φ)=.7.

A. 0.71 P.U
B. 0.21 P.U
C. 0.47 P.U
D. 0.12 P.U
Answer» B. 0.21 P.U
4.

Calculate the work done in stretching the wire of volume=22 m3 and the values of stress and strain are 2 N/m2 and 4.

A. 66 J
B. 44 J
C. 22 J
D. 88 J
Answer» E.
5.

The relationship between Young’s modulus (Y), Bulk modulus (K) and Poisson’s ratio (μ) is _____________

A. Y=K(1-2μ)
B. Y=3K(1-2μ)
C. Y=5K(1-2μ)
D. Y=4K(1-8μ)
Answer» C. Y=5K(1-2μ)
6.

Calculate the load stress if the value of force is 20 N and the area of cross-section is 2 m2.

A. 10 N/m2
B. 20 N/m2
C. 30 N/m2
D. 40 N/m2
Answer» B. 20 N/m2
7.

Hooke’s law is applicable within the elastic limit.

A. True
B. False
Answer» B. False