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 Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Copper losses Hysteresis losses Eddy current losses Windage losses Copper losses Hysteresis losses Eddy current losses Windage losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor should be used for centrifugal pumps? Either series or shunt Shunt motor None of the listed here Series motor Either series or shunt Shunt motor None of the listed here Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The friction and windage losses in a dc motor depends upon Flux Speed Field and armature resistance Armature current Flux Speed Field and armature resistance Armature current ANSWER DOWNLOAD EXAMIANS APP
DC Motors The plugging gives the None of the listed here Zero torque braking Smallest torque braking Highest torque braking None of the listed here Zero torque braking Smallest torque braking Highest torque braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors The commutating pole winding is connected in None of the listed here Series with the armature Parallel with the armature Series-parallel with the armature None of the listed here Series with the armature Parallel with the armature Series-parallel with the armature ANSWER DOWNLOAD EXAMIANS APP