Synchronous Motors The operating speed of a synchronous motor can be changed to new fixed value by using brakes changing frequency changing the load changing the supply voltage using brakes changing frequency changing the load changing the supply voltage ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Synchronous motors are generally used in application requiring _______ Frequent stopping Infrequent starting Sudden application of heavy loads Variable speed Frequent stopping Infrequent starting Sudden application of heavy loads Variable speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor is a ______ motor. Singly fed Variable pf None of the listed here Variable speed Singly fed Variable pf None of the listed here Variable speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor develops maximum power when load angle is 90° 45° 60° 120° 90° 45° 60° 120° ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors In a synchronous motor, the magnitude of stator back emf depends on _____ Speed of the rotor Load on the motor Both the speed and rotor flux Dc excitation only Speed of the rotor Load on the motor Both the speed and rotor flux Dc excitation only ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Leading power factor synchronous motors cost ______ the unity pf motors. None of the listed here About the same as More than Less than None of the listed here About the same as More than Less than ANSWER DOWNLOAD EXAMIANS APP
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