DC Motors If conditions for maximum power for a dc motor are established, the efficiency of the motor will be Less than 50% 60 to 70 % 80 to 90 % 100 % Less than 50% 60 to 70 % 80 to 90 % 100 % ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motors never use belt connected loads. Series Differentially compounded Cummulative compounded Shunt Series Differentially compounded Cummulative compounded Shunt ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Field divertor method Armature resistance control method Voltage control method Field control method Field divertor method Armature resistance control method Voltage control method Field control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. Field losses Cu losses None of the listed here Iron and friction losses Field losses Cu losses None of the listed here Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Armature copper loss None of these Windage loss Field copper loss Armature copper loss None of these Windage loss Field copper loss ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Size of conductor Yoke Winding Commutator Size of conductor Yoke Winding Commutator ANSWER DOWNLOAD EXAMIANS APP