Synchronous Motors The power factor correction capability of a loaded synchronous motor _____ with the increases in mechanical load. Increases Remains unchanged None of the listed here Decreases Increases Remains unchanged None of the listed here Decreases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the field circuit of an unloaded salientpole synchronous motor gets suddenly open-circuited, then it runs at a very high speed it runs at a slower speed the motor stops it continues to run at the same speed it runs at a very high speed it runs at a slower speed the motor stops it continues to run at the same speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Slip rings in a synchronous motor carry No current All of the listed here Alternating current Direct current No current All of the listed here Alternating current Direct current ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If the synchronous motor, properly synchronised to the supply is running on no load and is having negligible loss then the stator current will be very high the back e.m.f. will be more than the supply voltage the stator current will be zero the stator current will be very small the stator current will be very high the back e.m.f. will be more than the supply voltage the stator current will be zero the stator current will be very small ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor is determined by its _____ kVAR rating kW rating kVA rating None of the listed here kVAR rating kW rating kVA rating None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ All of these Normally excited Over-excited Under-excited All of these Normally excited Over-excited Under-excited ANSWER DOWNLOAD EXAMIANS APP
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