Synchronous Motors Mostly, synchronous motors are of Salient pole type machines Alternator type machines Induction type machines Smooth cylindrical type machines Salient pole type machines Alternator type machines Induction type machines Smooth cylindrical type machines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will not come upto speed Will fail to pull into step Will overheat in spots Will refused ro start Will not come upto speed Will fail to pull into step Will overheat in spots Will refused ro start ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An important advantage of a synchronous motor over wound round induction motor is that its speed may be controlled more easily None of these its power factor may be varied at will its speed is independent of supply frequency its speed may be controlled more easily None of these its power factor may be varied at will its speed is independent of supply frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motor always run at None of the listed here Less than synchronous speed More than synchronous speed The synchronous speed None of the listed here Less than synchronous speed More than synchronous speed The synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor which loss varies with load ? Core loss Copper loss Windage loss Bearing friction loss Core loss Copper loss Windage loss Bearing friction loss ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Unity power factor only Lagging, leading and unity power factors Leading power factor Lagging power factor only Unity power factor only Lagging, leading and unity power factors Leading power factor Lagging power factor only ANSWER DOWNLOAD EXAMIANS APP
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