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Single Phase Motors
A Reluctance motor
All of the listed here
Is constant speed motor
Need no dc excitation
Is self starting
All of the listed here
Is constant speed motor
Need no dc excitation
Is self starting
Answer
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Related Question
Single Phase Motors
The repulsion start induction run motor is used because of
good power factor
minimum cost
high efficiency
high starting torque
good power factor
minimum cost
high efficiency
high starting torque
Answer
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Single Phase Motors
Which motor has unsymmetrical rotor?
Reluctance motor
Universal motor
Shaded pole motor
Split phase motor
Reluctance motor
Universal motor
Shaded pole motor
Split phase motor
Answer
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Single Phase Motors
A universal motor can run on
Either DC or AC
None of the listed here
AC only
DC only
Either DC or AC
None of the listed here
AC only
DC only
Answer
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Single Phase Motors
For the same rating, the efficiency of a single phase induction motor is _______ that of 3-phase induction motor.
Less than
More than
None of the listed here
The same as
Less than
More than
None of the listed here
The same as
Answer
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Single Phase Motors
Torque developed by a single phase induction motor at starting is
Nil
Uniform
Pulsating
None of the listed here
Nil
Uniform
Pulsating
None of the listed here
Answer
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