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Synchronous Motors
Which of the following motors is non self starting?
Dc series motor
Squirrel cage induction motor
Synchronous motor
Wound rotor induction motor
Dc series motor
Squirrel cage induction motor
Synchronous motor
Wound rotor induction motor
Answer
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Related Question
Synchronous Motors
A synchronous motor with large air gap has
A higher synchronizing power which makes the machine less sensitive to load variations
All of the listed here
A small value of inherent regulation
A higher value of stability limit
A higher synchronizing power which makes the machine less sensitive to load variations
All of the listed here
A small value of inherent regulation
A higher value of stability limit
Answer
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Synchronous Motors
A synchronous capacitor is an over excited motor running at ________
Half full load
Full load
No load
None of the listed here
Half full load
Full load
No load
None of the listed here
Answer
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Synchronous Motors
The magnitude of field flux in a 3-phase synchronous motor
Varies with speed
Remains constant at all loads
Varies with the load
Varies with power factor
Varies with speed
Remains constant at all loads
Varies with the load
Varies with power factor
Answer
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Synchronous Motors
Small synchronous motors are started by _______
Pony motor
Damper winding
None of the listed here
Variable frequency source
Pony motor
Damper winding
None of the listed here
Variable frequency source
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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