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Industrial Drives - Interview Questions and Answers

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11. _______ motor is a constant speed motor.
A. Synchronous motor
B. Schrage motor
C. Induction motor
D. Universal motor
Explanation:
12. For which of the following applications D.C. motors are still preferred ?
A. High efficiency operation
B. Reversibility
C. Variable speed drive
D. High starting torque
Explanation:
13. Which part of a motor needs maximum attention for maintenance ?
A. Frame
B. Rearing
C. Stator winding
D. Rotor winding
Explanation:
14. The size of an excavator is usually expressed in terms of
A. 'crowd' motion
B. angle of swing
C. cubic metres
D. travel in metres
Explanation:
15. For blowers which of the following motor is preferred ?
A. D.C. series motor
B. D.C. shunt motor
C. Squirrel cage induction motor
D. Wound rotor induction motor
Explanation:
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