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Single Phase Motors
The purpose of starting winding in a single phase induction motor is to _____
Reduce losses
None of the listed here
Produce rotating flux in conjunction with main winding
Limit temperature rise of the machine
Reduce losses
None of the listed here
Produce rotating flux in conjunction with main winding
Limit temperature rise of the machine
Answer
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Related Question
Single Phase Motors
The best suited motor to drive 1/4 HP fan in a hospital ward would be ______ motor.
Hysteresis motor
Single phase series motor
Capacitor run motor
Shaded pole
Hysteresis motor
Single phase series motor
Capacitor run motor
Shaded pole
Answer
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Single Phase Motors
If the capacitor of a single-phase motor is short-circuited
the motor will not start
the motor will run in the same direction at reduced r.p.m.
the motor will run
the motor will run in reverse direction
the motor will not start
the motor will run in the same direction at reduced r.p.m.
the motor will run
the motor will run in reverse direction
Answer
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Single Phase Motors
A scharge motor can run on
Positive slip
Negative slip
All of the listed here
Zero slip
Positive slip
Negative slip
All of the listed here
Zero slip
Answer
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Single Phase Motors
Which of the following application make use of a universal motor?
Floor polishing machine
Portable tools
Lathe machines
Oil expeller
Floor polishing machine
Portable tools
Lathe machines
Oil expeller
Answer
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Single Phase Motors
Which of the following statements regarding a reluctance motor is incorrect ?
It requires no D.C. field excitation for its operation
It is nothing else but a single-phase, salient pole synchronous-induction motor
Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor
It cannot be reversed, ordinarily
It requires no D.C. field excitation for its operation
It is nothing else but a single-phase, salient pole synchronous-induction motor
Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor
It cannot be reversed, ordinarily
Answer
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