SINGLE PHASE MOTORS QUIZ

Which motor has unsymmetrical rotor?

Reluctance motor

Shaded pole motor

Universal motor

Split phase motor

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Which of the following motors is inherently self starting?

Split motor

Shaded pole motor

Reluctance motor

None of the listed here

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Which of the following statements regarding repulsion-start induction motor is incorrect ?

It makes quite a bit of noise on starting

It is not easily reversed

In fractional horse power motors, it has replaced the capacitor motors

It requires more maintenance of commutator and other mechanical devices

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A shaded pole motor does not possess

centrifugal switch

all of these

capacitor

commutator

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A vaccum cleaner employs _______motor.

Capacitor start

Resistance split phase

Single phase series motor

Shaded pole motor

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A universal motor operates on

Approximately constant speed and load

Synchronous speed with varying load

Constant load and varying speed

Constant speed and varying load

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A capacitor selected for capacitor run motor should be rated for

Rms voltage

None of the listed here

Average voltage

Peak voltage

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Which motor is normally free from mechanical and magnetic vibrations?

Shaded pole motor

Universal motor

Hysteresis motor

Split phase motor

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A 50 Hz, 4- pole single phase induction motor will have a synchronous speed of ______

1200 rpm

750 rpm

1500 rpm

None of the listed here

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A Reluctance motor

All of the listed here

Is constant speed motor

Need no dc excitation

Is self starting

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