DC Motors The mechanical power developed by a shunt motor will be maximum when the ratio of back emf to applied voltage is 4.0 2.0 1.0 0.5 4.0 2.0 1.0 0.5 ANSWER DOWNLOAD EXAMIANS APP
DC Motors The shaft torque in a dc motor is less than total armature torque because of ______ in the motor. None of the listed here Field losses Cu losses Iron and friction losses None of the listed here Field losses Cu losses Iron and friction losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor has the poorest speed regulation? Shunt motor Cummulative compound motor Differentially compound motor Series motor Shunt motor Cummulative compound motor Differentially compound motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following motor is preferred for operation in highly explosive atmosphere? Air motor Shunt motor Battery operated motor Series motor Air motor Shunt motor Battery operated motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor is still used in industrial applications because it Is simple in construction None of the listed here Provides fine speed control Is cheap Is simple in construction None of the listed here Provides fine speed control Is cheap ANSWER DOWNLOAD EXAMIANS APP
DC Motors By putting controller resistance in series with the armature of a dc motor, we can obtain speeds None of the listed here Above the normal speed only Below the normal speed only Above as well as below the normal speed None of the listed here Above the normal speed only Below the normal speed only Above as well as below the normal speed ANSWER DOWNLOAD EXAMIANS APP
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