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Single Phase Motors

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

high starting torque
minimum cost
high efficiency
good power factor

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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

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

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Single Phase Motors
A 2 HP dc series motor will weigh ______2 HP single phase series motor.

More than
About the same as
Less than
None of the listed here

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Single Phase Motors
Capacitor motors _______resistance split phase induction motors.

Are costlier than
Poor starting torque than
Are less costly than
Cost about the same as

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Single Phase Motors
Capacitor motors _______resistance split phase induction motors.

Cost about the same as
Poor starting torque than
Are costlier than
Are less costly than

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Single Phase Motors
If a particular application needs high speed and high starting torque, then which of the following motor will bepreferred ?

Shaded pole type motor
Capacitor start and run motor
Capacitor start motor
Universal motor

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