Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Is increased too much Remains unchanged Become zero Is decreased too much Is increased too much Remains unchanged Become zero Is decreased too much 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 small the stator current will be very high the stator current will be zero the back e.m.f. will be more than the supply voltage the stator current will be very small the stator current will be very high the stator current will be zero the back e.m.f. will be more than the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor working at leading power factor can be used as Phase advancer Voltage booster Mechanical synchronizer Noise generator Phase advancer Voltage booster Mechanical synchronizer Noise generator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor of a synchronous motor is Identical to that of a dc motor Nonsalient pole type Salient pole type None of the listed here Identical to that of a dc motor Nonsalient pole type Salient pole type None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An important advantage of a synchronous motor over wound round induction motor is that its speed is independent of supply frequency None of these its speed may be controlled more easily its power factor may be varied at will its speed is independent of supply frequency None of these its speed may be controlled more easily its power factor may be varied at will ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be less than the supply voltage None of these more than the supply voltage equal to the supply voltage less than the supply voltage None of these more than the supply voltage equal to the supply voltage ANSWER DOWNLOAD EXAMIANS APP
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