Q. For crane travel which of the following motors is normally used ?
✅ Correct Answer: (D)
shunt motor
Control of Electric Drives MCQs | Page - 4
Dear candidates you will find MCQ questions of Control of Electric Drives here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. The characteristics of drive for crane hoisting and lowering are which of the following ?
✅ Correct Answer: (D)
All of the above
Q. Which of the following motors is preferred for boom hoist of a travelling crane?
✅ Correct Answer: (C)
A.C. slip ring motor
Q. A wound rotor induction motor is preferred, as compared to squirrel cage induction motor, when major consideration is
✅ Correct Answer: (B)
high starting torque
Q. Which of the following motors has series characteristics ?
✅ Correct Answer: (B)
Repulsion motor
Q. Which of the following happens when star-delta starter is used ?
✅ Correct Answer: (C)
Both (A) and (B)
Q. For a D.C. shunt motor which of the following is incorrect 7
✅ Correct Answer: (A)
Unsuitable for heavy duty starting
Q. For which of the following applications motor has to start with high acceleration?
✅ Correct Answer: (C)
Lifts and hoists
Q. Which of the following types of motor enclosure is safest ?
✅ Correct Answer: (B)
Totally enclosed fan cooled
Jump to