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Single Phase Motors

Single Phase Motors
A Reluctance motor

Is self starting
All of the listed here
Need no dc excitation
Is constant speed motor

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Single Phase Motors
Locked rotor current of a shaded pole motor is

several times the full load current
slightly more than full load current
less than full load current
equal to full load current

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

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

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Single Phase Motors
The motor used on small lathes is usually

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

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Single Phase Motors
The direction of rotation of universal motor can be reversed the by reversing the flow of current through

Armature winding
None of these
Field winding
Either armature winding or field winding

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Single Phase Motors
In a capacitor start motor, the phase displacement between starting and running winding can be nearly

10°
60°
90°
30°

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MORE MCQ ON Single Phase Motors

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