Synchronous Motors Hunting in a synchronous motor cannot be due to windage friction variable supply voltage variable load variable frequency windage friction variable supply voltage variable load variable frequency ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The mechanical power developed by a synchronous motor is ______ stator voltage. Invesely proportional to Independent of Directly proportional to square of Directly proportional to Invesely proportional to Independent of Directly proportional to square of Directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is cheaper than 3-phase induction motor for _____ High speed, high output High speed, low output None of the listed here Low speed, high output High speed, high output High speed, low output None of the listed here Low speed, high output ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For reciprocating compressor, the synchronous motor is designed to have pull in torque of about ______ times the full load torque. 6 0.5 5 2 6 0.5 5 2 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In case one phase of a three-phase synchronous motor is short-circuited the motor will take less than the rated load run with excessive vibrations not start run at 2/3 of synchronous speed take less than the rated load run with excessive vibrations not start run at 2/3 of synchronous speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The back emf in the stator of a synchronous motor depends on None of the listed here Rotor excitation Flux density Rotor speed None of the listed here Rotor excitation Flux density Rotor speed ANSWER DOWNLOAD EXAMIANS APP