Synchronous Motors The maximum speed variation in a 3 phase synchronous motor is 4 percent Zero 2 percent 10 percent 4 percent Zero 2 percent 10 percent ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor None of the listed here Increases as the load increases Decreases as the load decreases Always remains constant None of the listed here Increases as the load increases Decreases as the load decreases Always remains constant ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors If one phase of a 3 phase synchronous motor is short circuited, motor Will refused ro start Will fail to pull into step Will overheat in spots Will not come upto speed Will refused ro start Will fail to pull into step Will overheat in spots Will not come upto speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The armature current of the synchronous motor has higher values for Low excitation only None of the listed here Higher excitation only Both higher and low excitation Low excitation only None of the listed here Higher excitation only Both higher and low excitation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Slip rings in a synchronous motor carry No current Direct current Alternating current All of the listed here No current Direct current Alternating current All of the listed here ANSWER DOWNLOAD EXAMIANS APP