SINGLE PHASE MOTORS QUIZ

In a shaded pole motor, the direction of rotation is from

Shaded pole to main pole

Depends on supply line polarity

None of the listed here

Main poles to shaded pole

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The resistance split phase induction motor has ______ starting torque .

High

Moderate

None of the listed here

Very low

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The repulsion start induction run motor is used because of

high starting torque

good power factor

minimum cost

high efficiency

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Which of the following motors can be used for unity power factor ?

Hysteresis motor

Schrage motor

Shaded pole motor

Capacitor run motor

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The motor used on small lathes is usually

Dc shunt motor

Single phase capacitor run motor

3-phase synchronous motor

Universal motor

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A scharge motor can run on

Negative slip

All of the listed here

Zero slip

Positive slip

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Reluctance motors are

None of the listed here

Singly excited

Doubly excited

Either of the listed

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The best suited motor to drive 1/4 HP fan in a hospital ward would be ______ motor.

Single phase series motor

Capacitor run motor

Hysteresis motor

Shaded pole

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The capacitor used in capacitor start motor is always a _______ capacitor.

Mica

Paper

Ceramic

Electrolyte

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Which motor is normally free from mechanical and magnetic vibrations?

Universal motor

Shaded pole motor

Hysteresis motor

Split phase motor

TRUE ANSWER : ?
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