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Synchronous Motors
The rotor of a synchronous motor is
Nonsalient pole type
Identical to that of a dc motor
Salient pole type
None of the listed here
Nonsalient pole type
Identical to that of a dc motor
Salient pole type
None of the listed here
Answer
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Related Question
Synchronous Motors
A synchronous motor runs at speed ranging from ______
150 to 1800 rpm
1800 to 3600 rpm
3600 to 6000 rpm
None of the listed here
150 to 1800 rpm
1800 to 3600 rpm
3600 to 6000 rpm
None of the listed here
Answer
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Synchronous Motors
The armature current of a synchronous motor will be minimum for ______ power factor.
0.8 leading
0.8 lagging
Unity
None of the listed here
0.8 leading
0.8 lagging
Unity
None of the listed here
Answer
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Synchronous Motors
The back e.m.f. of a synchronous motor depends on
load angle
speed
load
All of these
load angle
speed
load
All of these
Answer
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Synchronous Motors
A synchronous motor is a ______ motor.
Variable speed
Variable pf
Singly fed
None of the listed here
Variable speed
Variable pf
Singly fed
None of the listed here
Answer
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Synchronous Motors
A synchronous motor can be used as a synchronous capacitor when it is
Under loaded
Under excited
Over excited
Over loaded
Under loaded
Under excited
Over excited
Over loaded
Answer
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