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 When the field of a synchronous motor is under-excited, the power factor will be zero unity leading lagging zero unity leading lagging ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Hunting in a synchronous motor cannot be due to windage friction variable supply voltage variable frequency variable load windage friction variable supply voltage variable frequency variable load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The duration of sudden short-circuit test on a synchronous motor is usually about one second one hour one minute None of these one second one hour one minute None of these ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Which of the following motors is non self starting? Wound rotor induction motor Synchronous motor Squirrel cage induction motor Dc series motor Wound rotor induction motor Synchronous motor Squirrel cage induction motor Dc series motor 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 Over-excited Under-excited All of these Normally excited Over-excited Under-excited ANSWER DOWNLOAD EXAMIANS APP