Synchronous Motors A synchronous motor runs at speed ranging from ______ 150 to 1800 rpm 3600 to 6000 rpm 1800 to 3600 rpm None of the listed here 150 to 1800 rpm 3600 to 6000 rpm 1800 to 3600 rpm None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the rotor copper loss are met by ______ Supply lines Motor input Armature input Dc source Supply lines Motor input Armature input Dc source ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The speed of a synchronous motor None of the listed here Always remains constant Increases as the load increases Decreases as the load decreases None of the listed here Always remains constant Increases as the load increases Decreases as the load decreases ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Power factor of a synchronous motor is unity when The armature current is zero The armature current is maximum None of the listed here The armature current is minimum The armature current is zero The armature current is maximum None of the listed here The armature current is minimum 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
Synchronous Motors If a synchronous motor is operating at a supply frequency of 50 cycles/second, then, rotor revolves at ______ None of the listed here 50 cycles/second 100 cycles/second 25 cycles/ second None of the listed here 50 cycles/second 100 cycles/second 25 cycles/ second ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS