Synchronous Motors The duration of sudden short circuit test on synchronous motor is usually about One minute One hour None of the listed here One second One minute One hour None of the listed here One second ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor with large air gap has A higher value of stability limit All of the listed here A higher synchronizing power which makes the machine less sensitive to load variations A small value of inherent regulation A higher value of stability limit All of the listed here A higher synchronizing power which makes the machine less sensitive to load variations A small value of inherent regulation ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When load on a synchronous motor is increased, its armature current is increased provided, it is ______ All of these Normally excited Under-excited Over-excited All of these Normally excited Under-excited Over-excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor delivers reactive power when ______ Over excited Normally excited None of the listed here Under excited Over excited Normally excited None of the listed here Under excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An over excited synchronous motor behaves as _____ A resistor None of the listed here An inductor A capacitor A resistor None of the listed here An inductor A capacitor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The rotor copper losses, in a synchronous motor, are met by motor input supply lines armature input c. source motor input supply lines armature input c. source ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS