Synchronous Motors In order to to reverse the direction of a synchronous motor, _______ None of the listed here Reduce dc field excitation to zero Change supply frequency Interchange any two stator lines None of the listed here Reduce dc field excitation to zero Change supply frequency Interchange any two stator lines ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors Change of D.C. excitation of a synchronous motor changes 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 Any of the above Motor speed ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The shaft of synchronous motor is made of Stainless steel Mild steel Alcino Chrome steel Stainless steel Mild steel Alcino Chrome steel ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor runs at speed ranging from ______ 1800 to 3600 rpm None of the listed here 3600 to 6000 rpm 150 to 1800 rpm 1800 to 3600 rpm None of the listed here 3600 to 6000 rpm 150 to 1800 rpm ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors A synchronous motor can be used as a synchronous capacitor when it is Under excited Under loaded Over loaded Over excited Under excited Under loaded Over loaded Over excited ANSWER DOWNLOAD EXAMIANS APP
Synchronous Motors The induced e.m.f. in a synchronous motor working on leading power factor will be None of these equal to the supply voltage less than the supply voltage more than the supply voltage None of these equal to the supply voltage less than the supply voltage more than the supply voltage ANSWER DOWNLOAD EXAMIANS APP