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