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 reactive power in a 7.2545 Ω resistor.

A. 1.221 VAR
B. 2.611 VAR
C. 0 VAR
D. 1.997 VAR
Answer» D. 1.997 VAR
Discussion
2.

Calculate the reactive power in a 2.2 Ω resistor.

A. 1.2 VAR
B. 2.6 VAR
C. 0 VAR
D. 1.9 VAR
Answer» D. 1.9 VAR
Discussion
3.

Calculate the power factor if the power angle is 36.86°.

A. .8
B. .4
C. .6
D. 1
Answer» B. .4
Discussion
4.

What is the formula for the maximum active power in the cylindrical rotor synchronous machine? (Eb represents armature emf, Vt represents terminal voltage, δ represents rotor angle, X represents reactance)

A. Eb×Vt×sinδ÷X
B. Eb×Vt2÷X
C. Eb2×Vt×sinδ÷X
D. Eb×Vt÷X
Answer» E.
Discussion