DC Motors Small dc motors up to 5 HP usually have 2 poles 4 poles 8 poles 6 poles 2 poles 4 poles 8 poles 6 poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor Motor is run at reduced speed None of the listed here Motor is run as a generator Motor is reversed in direction Motor is run at reduced speed None of the listed here Motor is run as a generator Motor is reversed in direction ANSWER DOWNLOAD EXAMIANS APP
DC Motors The back emf in a dc motor ______ Opposes the applied voltage Aids the applied voltage None of the listed here Aids the armature current Opposes the applied voltage Aids the applied voltage None of the listed here Aids the armature current ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is More None of the listed here The same Less More None of the listed here The same Less ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. shunt motor, under the conditions of maximum power, the current in the armature will be More than full-load current Less than full-load current Rated full-load current Almost negligible More than full-load current Less than full-load current Rated full-load current Almost negligible ANSWER DOWNLOAD EXAMIANS APP
DC Motors Usually wide and sensitive speed control is desired in case of Elevators Colliery winders Centrifugal pumps Steel rolling mills Elevators Colliery winders Centrifugal pumps Steel rolling mills ANSWER DOWNLOAD EXAMIANS APP
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