DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The motor will continue to run The motor will stop The motor will run noisy The armature may burn The motor will continue to run The motor will stop The motor will run noisy The armature may burn ANSWER DOWNLOAD EXAMIANS APP
DC Motors Motor starter are essential for Accelerating the motor Preventing fuse blowing Starting the motor Avoiding excessive starting current Accelerating the motor Preventing fuse blowing Starting the motor Avoiding excessive starting current ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not necessarily the advantage of D.C. motors over A.C. motors? Stability Wide speed range Low cost High starting torque Stability Wide speed range Low cost High starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Series Cumulatively compounded Shunt Differentially compounded Series Cumulatively compounded Shunt Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Decrease Remains same Become zero Increase Decrease Remains same Become zero Increase ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Lathes Cranes Pump Punch presses Lathes Cranes Pump Punch presses ANSWER DOWNLOAD EXAMIANS APP
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