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Single Phase Motors

Single Phase Motors
Most of the troubles of single phase induction motors are traceable to the _______

Rotor bars
Shaft bearings
Starting switch
Main winding

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Single Phase Motors
The capacitor used in capacitor start motor is always a _______ capacitor.

Electrolyte
Ceramic
Paper
Mica

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Single Phase Motors
The motor used on small lathes is usually

Dc shunt motor
Universal motor
Single phase capacitor run motor
3-phase synchronous motor

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Single Phase Motors
For the same rating, the size of a single phase induction motor is about _______ that of the corresponding 3-phase induction motor.

3 times
The same as
1.5 times
0.33 times

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Single Phase Motors
A capacitor selected for capacitor run motor should be rated for

Average voltage
Rms voltage
None of the listed here
Peak voltage

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Single Phase Motors
The capacitor start, capacitor run motor is used in thode applications where _____

High starting torque is required
None of the listed here
Silence is important
Noisy operation is not important

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