Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor 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 Will not come upto speed Will fail to pull into step ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor cannot be due to variable load variable frequency windage friction variable supply voltage variable load variable frequency windage friction variable supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on Flux density Rotor excitation None of the listed here Rotor speed Flux density Rotor excitation None of the listed here Rotor speed 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 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 induction motor torque in field winding induction motor torque in damper winding ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the maximum power developed depends on all of the following except direction of rotation supply voltage rotor excitation maximum value of coupling angle direction of rotation supply voltage rotor excitation maximum value of coupling angle ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back e.m.f. of a synchronous motor depends on load angle All of these load speed load angle All of these load speed ANSWER DOWNLOAD EXAMIANS APP
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