DC Motors The running speed of a dc series motor is basically determined by Armature reaction None of the listed here Field excitation Load Armature reaction None of the listed here Field excitation Load ANSWER DOWNLOAD EXAMIANS APP
DC Motors For a D.C. shunt motor if the excitation is changed Torque and power both will change Torque will change but power will remain constant Torque will remain constant Torque, power and speed, all will change Torque and power both will change Torque will change but power will remain constant Torque will remain constant Torque, power and speed, all will change ANSWER DOWNLOAD EXAMIANS APP
DC Motors The greatest percentage of power loss in a dc motor is due to Copper loss Core loss Friction loss Windage loss Copper loss Core loss Friction loss Windage loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed On yoke in the pole faces None of the listed here On yoke in the interpolar gap On armature On yoke in the pole faces None of the listed here On yoke in the interpolar gap On armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Hysteresis losses Copper losses Eddy current losses Windage losses Hysteresis losses Copper losses Eddy current losses Windage losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a dc motor can be controlled by changing Aplied voltage Armature circuit resistance Is flux All of the listed here Aplied voltage Armature circuit resistance Is flux All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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