DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Become zero Decrease Increase Remains same Become zero Decrease Increase Remains same ANSWER DOWNLOAD EXAMIANS APP
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 armature may burn The motor will run noisy The motor will continue to run The motor will stop The armature may burn The motor will run noisy ANSWER DOWNLOAD EXAMIANS APP
DC Motors When two dc series motor are commected in parallel, the resultant speed is More than the normal speed Loss than the normal speed Zero Normal speed More than the normal speed Loss than the normal speed Zero Normal speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the None of the listed here Smallest torque braking Highest torque braking Zero torque braking None of the listed here Smallest torque braking Highest torque braking Zero torque braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Armature resistance control method Field control method Field divertor method Voltage control method Armature resistance control method Field control method Field divertor method Voltage control method ANSWER DOWNLOAD EXAMIANS APP