Control of Electric Drives MCQs | Page - 6
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 range of ratings of electric motor used for rolling mills is of the order of
✅ Correct Answer: (C)
85 to 400 kW
Q. When an electric train is moving down a hill the DC motor operates as a DC
✅ Correct Answer: (B)
Series generator
Q. Speed controlled by variation of field flux results in
✅ Correct Answer: (A)
Constant power Drive
Q. The slip power recovery scheme is used in induction motor for speed control in the range
✅ Correct Answer: (C)
Both above and below synchronous speed
Q. The pair used for frequency converter is
✅ Correct Answer: (A)
Squirrel cage induction motor and synchronous motor
Q. The motor in close are used for collieries, chemical plant is
✅ Correct Answer: (A)
Flame proof type
Q. The motor enclosure used in wood-working industry is
✅ Correct Answer: (B)
Totally enclosed fan cooled type
Q. The motor enclosure used for industrial purposes is
✅ Correct Answer: (A)
Protected type
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