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Industrial Drives - Interview Questions and Answers

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1. A reluctance motor
A. is provided with slip rings
B. requires starting gear
C. has high cost
D. is compact
Explanation:
2. The load cycle for a motor driving a power press will be
A. variable load
B. continuous
C. continuous but periodical
D. intermittent and variable load
Explanation:
3. Which of the following motors is used for elevators ?
A. Induction motor
B. Synchronous motor
C. Capacitor start single phase motor
D. Any of the above
Explanation:
4. Which of the following is essentially needed while selecting a motor ?
A. Pulley
B. Starter
C. Foundation pedal
D. Bearings
Explanation:
5. is preferred for automatic drives.
A. Squirrel cage induction motor
B. Synchronous motors
C. Ward-Leonard controlled D.C. motors
D. Any of the above
Explanation:
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