Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will overheat in spots Will refused ro start Will fail to pull into step Will not come upto speed Will overheat in spots Will refused ro start Will fail to pull into step Will not come upto speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Under loaded Over excited Under excited Over loaded Under loaded Over excited Under excited Over loaded ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ No load Half full load None of the listed here Full load No load Half full load None of the listed here Full load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the rotor copper loss are met by ______ Supply lines Armature input Dc source Motor input Supply lines Armature input Dc source Motor input ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The size of a synchronous motor decreases with the increase in All of the listed here Horse power rating Speed Flux density All of the listed here Horse power rating Speed Flux density ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When pull-out torque occurs in a synchronous motor, the poles of the rotor are _______ 45° (electrical) behind stator poles None of the listed here Coincident with statorbpoles Mid way between N and S poles of stator 45° (electrical) behind stator poles None of the listed here Coincident with statorbpoles Mid way between N and S poles of stator ANSWER DOWNLOAD EXAMIANS APP