Synchronous Motors The maximum constant load torque under which a synchronous motor will pull into synchronism at rated rotor supply voltage and frequency is known as pull-out torque None of these pull-up torque pull-in torque pull-out torque None of these pull-up torque pull-in torque ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous capacitor is an over excited motor running at ________ None of the listed here Full load No load Half full load None of the listed here Full load No load Half full load ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors An under excited synchronous motor behaves as_______ An inductor None of the listed here A capacitor A resistor An inductor None of the listed here A capacitor A resistor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors When a synchronous motor is pulled out of synchronism, the stator current ________ Is increased too much Remains unchanged Is decreased too much Become zero Is increased too much Remains unchanged Is decreased too much Become zero ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Change of D.C. excitation of a synchronous motor changes Any of the above Motor speed Power factor of power drawn by the motor Applied voltage of the motor Any of the above Motor speed Power factor of power drawn by the motor Applied voltage of the motor ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develop maximum power when load angle is 120° 60° 45° 90° 120° 60° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS