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Single Phase Motors

Single Phase Motors
A motor gets overheated due to

Overloads
Dry bearings
Worn bearings
All of the listed here

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Single Phase Motors
Which of the following motors is used in mixies ?

Reluctance motor
Universal motor
Repulsion motor
Hysteresis motor

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Single Phase Motors
The electric motor used in portable drills is

Capacitor run motor
Hysteresis motor
Universal motor
Repulsion motor

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Single Phase Motors
If a particular application needs high speed and high starting torque, then which of the following motor will bepreferred ?

Universal motor
Capacitor start and run motor
Shaded pole type motor
Capacitor start motor

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Single Phase Motors
The full load efficiency of a shaded pole motor is about _______

30 to 35%
5 to 10%
70 to 80%
60 to 70%

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Single Phase Motors
The capacitor start, capacitor run motor has _______

Low power factor
Noisy operation
Low efficiency
No centrifugal switch

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