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Synchronous Motors
The ratio of starting torque to running torque in a synchronous motor is
Two
Infinity
Zero
One
Two
Infinity
Zero
One
Answer
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Related Question
Synchronous Motors
If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______
None of the listed here
25 cycles/ second
100 cycles/second
50 cycles/second
None of the listed here
25 cycles/ second
100 cycles/second
50 cycles/second
Answer
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Synchronous Motors
A synchronous motor develops maximum power when load angle is
60°
120°
90°
45°
60°
120°
90°
45°
Answer
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Synchronous Motors
The net armature voltage of a synchronous motor is equal to the
arithmetic sum of Eb and V
arithmetic difference of Eb and V
vector difference of Eh and V
vector sum of Eb and V
arithmetic sum of Eb and V
arithmetic difference of Eb and V
vector difference of Eh and V
vector sum of Eb and V
Answer
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Synchronous Motors
A synchronous motor is a ______ motor.
Variable pf
None of the listed here
Singly fed
Variable speed
Variable pf
None of the listed here
Singly fed
Variable speed
Answer
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Synchronous Motors
The construction of a synchronous motor resembles
a rotary converter
an induction motor
a series motor
an alternator
a rotary converter
an induction motor
a series motor
an alternator
Answer
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