DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Remains same Increase Decrease Become zero Remains same Increase Decrease Become zero ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Accelerating the motor Avoiding excessive starting current Starting the motor Preventing fuse blowing Accelerating the motor Avoiding excessive starting current Starting the motor Preventing fuse blowing ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. None of the listed here Below the normal speed only Above the normal speed only Above as well as below the normal speed None of the listed here Below the normal speed only Above the normal speed only Above as well as below the normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Yoke Winding Commutator Size of conductor Yoke Winding Commutator Size of conductor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following can be used for controlling the speed of a dc motor? Transistor Thyristor Thyratron Thermistor Transistor Thyristor Thyratron Thermistor ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is comnected across the AC supply it will Burn due to heat produced in the field winding by eddy currents Run at normal speed Run at lower speed Not run Burn due to heat produced in the field winding by eddy currents Run at normal speed Run at lower speed Not run ANSWER DOWNLOAD EXAMIANS APP