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Single Phase Motors

Single Phase Motors
In a shaded pole motor the rotating magnetic field is produced by using

Copper windings
A capacitor
Salient poles
Shading coils

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Single Phase Motors
If starting winding of a single-phase induction motor is left in the circuit, it will

spark at light loads
draw excessive current and overheat
run slower
run faster

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Single Phase Motors
In split phase motor main winding is of

thin wire placed at the bottom of the slots
thick wire placed at the bottom of the slots
thin wire placed at the top of the slots
thick wire placed at the top of the? slots

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Single Phase Motors
A capacitor-start single phase induction motor is switched on to supply with its capa-citor replaced by an inductor of equivalent reactance value. It will

not start at all
start and run at rated speed
start and run slowly
start and then stop

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Single Phase Motors
In a hysteresis motor, the rotor must have

Susceptibility
None of the listed here
Retentivity
Resistivity

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Single Phase Motors
Which of the following motors has highest starting torque ?

Capacitor-start motor
Split-phase motor
Repulsion motor
Shaped pole motor

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MORE MCQ ON Single Phase Motors

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