Is not a part of ball bearing?
A. Inner race
B. Outer race
C. Cage
D. Bush
Answer: Option D
This Question Belongs to Electrical Engineering >> Industrial Drivers
Related Questions on Industrial Drivers
Rotor of a motor is usually supported on _________ bearings.
A. Ball or roller
B. Needle
C. Bush
D. Thrust
When the load is above _________ a synchronous motor is found to be more economical.
A. 2 kW
B. 20 kW
C. 50 kW
D. 100 kW
For derris and winches which of the following drives can be used?
A. Pole changing squirrel cage motors
B. D.C. motors with Ward-Leonard control
C. A.C. slip ring motors with variable resistance
D. Any of the above
Which of the following motors is preferred for traction work?
A. Universal motor
B. D.C. series motor
C. Synchronous motor
D. Three-phase induction motor
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