DC Motors In a D.C. generator, the iron losses mainly take place in Yoke Armature rotor Armature conductors Commutator Yoke Armature rotor Armature conductors Commutator ANSWER DOWNLOAD EXAMIANS APP
DC Motors If conditions for maximum power for a dc motor are established, the efficiency of the motor will be Less than 50% 100 % 80 to 90 % 60 to 70 % Less than 50% 100 % 80 to 90 % 60 to 70 % ANSWER DOWNLOAD EXAMIANS APP
DC Motors Dc shunt motors are used for driving Cranes Trains Machine tools Hoist Cranes Trains Machine tools Hoist ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Series Shunt Cumulatively compounded Differentially compounded Series Shunt Cumulatively compounded Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. machines the residual magnetism is of the order of 2 to 3 percent 10 to 15 percent 50 to 75 percent 20 to 25 percent 2 to 3 percent 10 to 15 percent 50 to 75 percent 20 to 25 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors Usually wide and sensitive speed control is desired in case of Steel rolling mills Colliery winders Centrifugal pumps Elevators Steel rolling mills Colliery winders Centrifugal pumps Elevators ANSWER DOWNLOAD EXAMIANS APP
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