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Single Phase Motors

Single Phase Motors
The washing machine generally employs ______ motor.

Shaded pole
Resistance split phase
Single phase series motor
Hysteresis

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Single Phase Motors
In split phase motor main winding is of

thin wire placed at the bottom of the slots
thin wire placed at the top of the slots
thick wire placed at the bottom 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 slowly
start and run at rated speed
start and then stop

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Single Phase Motors
A Reluctance motor

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

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Single Phase Motors
If the single phase motor runs hot the probable cause cannot be

Low voltage
High voltage
Blown fuse
Shorted stator coils

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Single Phase Motors
If a single phase induction motor runs slower than normal, the most likely defect is

open-circuit in the winding
None of these
short-circuit in the winding
worn bearings

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MORE MCQ ON Single Phase Motors

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