Synchronous Motors The speed regulation of a synchronous motor is always Zero 0.5% 1% Positive Zero 0.5% 1% Positive ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor it the back e.m.f. generated in the armature at noload is approximately equal to the applied voltage, then the excitation is said to be hundred per cent the torque generated is maximum the motor is said to be fully loaded the excitation is said to be zero per cent the excitation is said to be hundred per cent the torque generated is maximum the motor is said to be fully loaded the excitation is said to be zero per cent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The construction of a synchronous motor ressembles An induction motor A rotary converter A series motor An alternator An induction motor A rotary converter A series motor An alternator ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Small synchronous motors are started by _______ Damper winding Variable frequency source None of the listed here Pony motor Damper winding Variable frequency source None of the listed here Pony motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A 50 Hz synchronous motor runs at 200 rpm. The number of salient poles on the rotor are______ 36 30 16 None of the listed here 36 30 16 None of the listed here 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 refused ro start Will overheat in spots Will fail to pull into step Will not come upto speed Will refused ro start Will overheat in spots Will fail to pull into step ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS