Synchronous Motors Dust and dirt accumulation on motor winding will result in Rise in winding temperature Eddy current flow Shorting of coils Increased core losses Rise in winding temperature Eddy current flow Shorting of coils Increased core losses ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short circuit test on synchronous motor is usually about One hour One minute None of the listed here One second One hour One minute None of the listed here One second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can operate at Lagging power factor only Lagging, leading and unity power factors Unity power factor only Leading power factor Lagging power factor only Lagging, leading and unity power factors Unity power factor only Leading power factor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The direction of rotation of a synchronous motor can be reversed by reversing, None of the listed here Current to field winding Polarity of rotor poles Supply phase sequence None of the listed here Current to field winding Polarity of rotor poles Supply phase sequence ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is minimum The armature current is maximum None of the listed here The armature current is zero The armature current is minimum The armature current is maximum None of the listed here The armature current is zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be started by All of the listed here Pony motor Dc compound motor Provinding damper winding All of the listed here Pony motor Dc compound motor Provinding damper winding ANSWER DOWNLOAD EXAMIANS APP
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