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Single Phase Motors

Single Phase Motors
The repulsion start induction run motor is used because of

high starting torque
good power factor
minimum cost
high efficiency

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Single Phase Motors
Electrical faults in a motor occur must commonly in its

Commutator
Control equipment
Motor winding
Brushes

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Single Phase Motors
Most of the single phase induction motor are _____ machines.

2-pole
6-pole
4-pole
8-pole

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

Single phase series motor
Shaded pole
Capacitor run motor
Hysteresis motor

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

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

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Single Phase Motors
The motor used for the compressors is

reluctance motor
c. series motor
shaded pole motor
capacitor-start capacitor-run motor

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MORE MCQ ON Single Phase Motors

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