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Single Phase Motors
Which of the following statements regarding a reluctance motor is incorrect ?
It cannot be reversed, ordinarily
It requires no D.C. field excitation for its operation
Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor
It is nothing else but a single-phase, salient pole synchronous-induction motor
It cannot be reversed, ordinarily
It requires no D.C. field excitation for its operation
Its squirrel cage-rotor is of unsym-metrical magnetic construction in order to vary reluc-tance path between stator and rotor
It is nothing else but a single-phase, salient pole synchronous-induction motor
Answer
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Related Question
Single Phase Motors
The single phase shaded pole motor has _____
Squirrel cage motor
Wound rotor
High power factor
High starting torque
Squirrel cage motor
Wound rotor
High power factor
High starting torque
Answer
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Single Phase Motors
The direction of rotation of an hysteresis motor is determined by
retentivity of the rotor material
none of these
position of shaded pole with respect to main pole
interchanging the supply leads
retentivity of the rotor material
none of these
position of shaded pole with respect to main pole
interchanging the supply leads
Answer
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Single Phase Motors
Which motor has unsymmetrical rotor?
Universal motor
Reluctance motor
Split phase motor
Shaded pole motor
Universal motor
Reluctance motor
Split phase motor
Shaded pole motor
Answer
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Single Phase Motors
A scharge motor can run on
Positive slip
All of the listed here
Negative slip
Zero slip
Positive slip
All of the listed here
Negative slip
Zero slip
Answer
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Single Phase Motors
Locked rotor current of a shaded pole motor is
several times the full load current
equal to full load current
less than full load current
slightly more than full load current
several times the full load current
equal to full load current
less than full load current
slightly more than full load current
Answer
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