Synchronous Motors Most of the synchronous motors are _______ power factor metors. 0.8 lagging 0.5 leading 0.8 leading Unity 0.8 lagging 0.5 leading 0.8 leading Unity ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The ratio of starting torque to running torque in a synchronous motor is Infinity One Zero Two Infinity One Zero Two ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on an over-excited or under excited synchronous motor is increased, rate of change of its armature current as compared with that of power factor is equal twice more less equal twice more less 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 All of the listed here induction motor torque in damper winding induction motor torque in field winding eddy current and hysteresis torque in pole faces All of the listed here induction motor torque in damper winding induction motor torque in field winding eddy current and hysteresis torque in pole faces ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Invesely proportional to Independent of Directly proportional to Directly proportional to square of Invesely proportional to Independent of Directly proportional to Directly proportional to square of ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on speed All of these load load angle speed All of these load load angle ANSWER DOWNLOAD EXAMIANS APP
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