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Synchronous Motors

Synchronous Motors
The shaft of synchronous motor is made of

Alcino
Stainless steel
Chrome steel
Mild steel

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Synchronous Motors
The capacity of a synchronous capacitor is generally in the range of

kVAR
MVAR
None of the listed here
VAR

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Synchronous Motors
The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as

pull-out torque
pull-up torque
pull-in torque
None of these

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Synchronous Motors
The construction of a synchronous motor ressembles

An induction motor
A series motor
An alternator
A rotary converter

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Synchronous Motors
The minimum armature current of the synchronous motor corresponds to operation at

0.707 power factor leading
unity power factor
0.707 power factor lagging
zero power factor leading

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Synchronous Motors
For reciprocating compressor, the synchronous motor is designed to have pull in torque of about ______ times the full load torque.

6
2
5
0.5

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