DC Motors In a dc compound machine, Shunt field winding plays dominant role Either can play dominant role Both play equally dominant role Series field winding plays dominant role Shunt field winding plays dominant role Either can play dominant role Both play equally dominant role Series field winding plays dominant role ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor Motor is reversed in direction None of the listed here Motor is run as a generator Motor is run at reduced speed Motor is reversed in direction None of the listed here Motor is run as a generator Motor is run at reduced speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Cumulatively compounded Shunt Series Differentially compounded Cumulatively compounded Shunt Series Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Carbon brushes are preferable to copper brushes because _____ They reduce armature reaction They have lower resistance They have longer life They reduce sparking They reduce armature reaction They have lower resistance They have longer life They reduce sparking ANSWER DOWNLOAD EXAMIANS APP
DC Motors If a D.C. motor is to be selected for conveyors, which rriotor would be preferred ? Shunt motor Differentially compound motor Cumulative compound motor Series motor Shunt motor Differentially compound motor Cumulative compound motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The most suitable motor for elevators is the ____ motor. Series Cummulative compounded Shunt Differentially compuonded Series Cummulative compounded Shunt Differentially compuonded ANSWER DOWNLOAD EXAMIANS APP
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