DC Motors In a dc compound machine, Either can play dominant role Series field winding plays dominant role Shunt field winding plays dominant role Both play equally dominant role Either can play dominant role Series field winding plays dominant role Shunt field winding plays dominant role Both play equally dominant role ANSWER DOWNLOAD EXAMIANS APP
DC Motors In which of the following tests only one motor is required? Hopkinson's test Swinburne's test Field's test Brake test Hopkinson's test Swinburne's test Field's test Brake test ANSWER DOWNLOAD EXAMIANS APP
DC Motors Compensating winding in a dc machine is placed On armature On yoke in the pole faces None of the listed here On yoke in the interpolar gap On armature On yoke in the pole faces None of the listed here On yoke in the interpolar gap ANSWER DOWNLOAD EXAMIANS APP
DC Motors As there is no back e.m.f. at the instant of starting a D.C. motor, in order to prevent a heavy current from flowing though the armature circuit Armature is temporarily open circuited A high value resistor is connected across the field winding A resistance is connected parallel to the armature A resistance is connected in series with armature Armature is temporarily open circuited A high value resistor is connected across the field winding A resistance is connected parallel to the armature A resistance is connected in series with armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor has got maximum self loading property? Cumulatively compounded motor Shunt motor Differentially compounded motor Series motor Cumulatively compounded motor Shunt motor Differentially compounded motor Series motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor has the poorest speed control? Differentially compounded motor Cummulative compounded motor Series motor Shunt motor Differentially compounded motor Cummulative compounded motor Series motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP