Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be equal to the supply voltage None of these more than the supply voltage less than the supply voltage equal to the supply voltage None of these more than the supply voltage less than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Dust and dirt accumulation on motor winding will result in Shorting of coils Eddy current flow Increased core losses Rise in winding temperature Shorting of coils Eddy current flow Increased core losses Rise in winding temperature ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ Mid way between N and S poles of stator Coincident with statorbpoles None of the listed here 45° (electrical) behind stator poles Mid way between N and S poles of stator Coincident with statorbpoles None of the listed here 45° (electrical) behind stator poles ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor behaves as _____ A capacitor None of the listed here A resistor An inductor A capacitor None of the listed here A resistor An inductor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is 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 Nonsalient pole type ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one minute one hour None of these one second one minute one hour None of these one second ANSWER DOWNLOAD EXAMIANS APP
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