Synchronous Motors The minimum armature current of the synchronous motor corresponds to operation at unity power factor zero power factor leading 0.707 power factor leading 0.707 power factor lagging unity power factor zero power factor leading 0.707 power factor leading 0.707 power factor lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The percentage slip in case of a synchronous motor is 1 0.01 zero 0.005 1 0.01 zero 0.005 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The pull out torque of a synchronous motor is generally ______ times its full-load torque. 1.25 to 3.5 0.5 5 to 10 6 to 9 1.25 to 3.5 0.5 5 to 10 6 to 9 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ Over-excited All of these Normally excited Under-excited Over-excited All of these Normally excited Under-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors While starting a salient pole synchronous motor by induction motor action and connecting field discharge resistance across field, starting and accelerting torque is produced by induction motor torque in field winding induction motor torque in damper winding All of the listed here eddy current and hysteresis torque in pole faces induction motor torque in field winding induction motor torque in damper winding All of the listed here eddy current and hysteresis torque in pole faces ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For the same active power consumed, the stator current of a synchronous motor is ______ that of a 3 phase induction motor. None of the listed here More than The same as Less than None of the listed here More than The same as Less than ANSWER DOWNLOAD EXAMIANS APP
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