Explore topic-wise MCQs in Electric Drives.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Electric Drives knowledge and support exam preparation. Choose a topic below to get started.

1.

Calculate the value of the angular acceleration of the machine using the given data: J = .541 kg-m2, load torque = 10 N-m, motor torque = 2 N-m.

A. 45 rad/s2
B. The machine will fail to start
C. 30 rad/s2
D. 51 rad/s2
Answer» C. 30 rad/s2
Discussion
2.

Calculate the frequency of the stator side of the IM if the value of slip is 0.04 and rotor frequency is 2 Hz.

A. 50 Hz
B. 49 Hz
C. 45 Hz
D. 51 Hz
Answer» B. 49 Hz
Discussion
3.

1800 second rated motors are used for __________

A. Heavy duty cranes
B. Light duty cranes
C. Medium duty cranes
D. Intermittent duty cranes
Answer» D. Intermittent duty cranes
Discussion
4.

Induction motor is also known as __________

A. Frequency changer
B. Frequency remover
C. Time period remover
D. DC machine
Answer» B. Frequency remover
Discussion
5.

Which duty cycle has on load and off-loads period?

A. Intermittent duty
B. Short time duty
C. Continuous duty with constant load
D. Continuous duty with variable load
Answer» B. Short time duty
Discussion