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Synchronous Motors
The construction of a synchronous motor resembles
an alternator
a series motor
a rotary converter
an induction motor
an alternator
a series motor
a rotary converter
an induction motor
Answer
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Related Question
Synchronous Motors
Synchronous capacitor is
None of the listed here
An ordinary static capacitor bank
An over excited synchronous motor running without mechanical load
An over excited synchronous motor driving mechanical load
None of the listed here
An ordinary static capacitor bank
An over excited synchronous motor running without mechanical load
An over excited synchronous motor driving mechanical load
Answer
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Synchronous Motors
A synchronous machine with low value of short-circuit ratio has
good speed regulation
high stability limit
lower stability limit
good voltage regulation
good speed regulation
high stability limit
lower stability limit
good voltage regulation
Answer
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Synchronous Motors
A synchronous motor with large air gap has
A higher synchronizing power which makes the machine less sensitive to load variations
A higher value of stability limit
All of the listed here
A small value of inherent regulation
A higher synchronizing power which makes the machine less sensitive to load variations
A higher value of stability limit
All of the listed here
A small value of inherent regulation
Answer
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Synchronous Motors
The pull out torque of a synchronous motor will ______ as the field excitation is increased.
Decrease
Increase
Remain unchanged
None of the listed here
Decrease
Increase
Remain unchanged
None of the listed here
Answer
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Synchronous Motors
Leading power factor synchronous motors cost ______ the unity pf motors.
More than
None of the listed here
Less than
About the same as
More than
None of the listed here
Less than
About the same as
Answer
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