DC Motors In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be Almost negligible Rated full-load current Less than full-load current More than full-load current Almost negligible Rated full-load current Less than full-load current More than full-load current ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the terminals of armature of D.C. motor are interchanged, this action will offer following kind of braking Plugging None of these Regenerative Dynamic braking Plugging None of these Regenerative Dynamic braking ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a dc motor is to be selected for conveyors, which motor would be preferred? Series motor Shunt motor Cummulative compound motor Differentially compound motor Series motor Shunt motor Cummulative compound motor Differentially compound motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the speed of a dc shunt motor is increased the back emf of the motor will Become zero Decrease Remains same Increase Become zero Decrease Remains same Increase ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. None of the listed here One-third Twice Half None of the listed here One-third Twice Half ANSWER DOWNLOAD EXAMIANS APP
DC Motors In D.C. machines the residual magnetism is of the order of 50 to 75 percent 2 to 3 percent 20 to 25 percent 10 to 15 percent 50 to 75 percent 2 to 3 percent 20 to 25 percent 10 to 15 percent ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS