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Single Phase Motors

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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Single Phase Motors
The main winding and starting winding of a single phase induction motor are connected in _______ across the supply.

Series-parallel
Parallel
Series
None of the listed here

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Single Phase Motors
In a split phase induction motor, the two stator windings

Are mutually displaced by 90° electrical
Have equal R/XL ratio
Draw equal current
Draw only the in phase currents

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Single Phase Motors
Reluctance motors are

None of the listed here
Doubly excited
Either of the listed
Singly excited

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Single Phase Motors
A vaccum cleaner employs _______motor.

Shaded pole motor
Resistance split phase
Capacitor start
Single phase series motor

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Single Phase Motors
Burning out of winding is due to

None of these
open circuiting of capacitor
capacitor value hiving changed
short circuited capacitor

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