Synchronous Motors Change of D.C. excitation of a synchronous motor changes Motor speed Power factor of power drawn by the motor Any of the above Applied voltage of the motor Motor speed Power factor of power drawn by the motor Any of the above Applied voltage of the motor 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. 2 5 0.5 6 2 5 0.5 6 ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The shaft of synchronous motor is made of Mild steel Stainless steel Chrome steel Alcino Mild steel Stainless steel Chrome steel Alcino ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Variable speed Sudden application of heavy loads Frequent stopping Infrequent starting Variable speed Sudden application of heavy loads Frequent stopping Infrequent starting ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the rotor copper loss are met by ______ Supply lines Dc source Armature input Motor input Supply lines Dc source Armature input Motor input ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors For power factor correction, synchronous motors operate at normal load with zero excitation no-load and under-excited fields normal load with minimum excitation no-load and greatly over-excited fields normal load with zero excitation no-load and under-excited fields normal load with minimum excitation no-load and greatly over-excited fields ANSWER DOWNLOAD EXAMIANS APP