DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven Does not run as a generator Runs as a generator Also runs as a motor comes to stop after sometime None of these Does not run as a generator Runs as a generator Also runs as a motor comes to stop after sometime None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? All of these Full-load current Starting torque Operating speed All of these Full-load current Starting torque Operating speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc compound machine, 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 Either can play dominant role ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature voltage control of dc motor provides Constant voltage drive Constant torque drive None of the listed here Constant current drive Constant voltage drive Constant torque drive None of the listed here Constant current drive ANSWER DOWNLOAD EXAMIANS APP
DC Motors By flux control method of speed control of a dc shunt motor, we can obtain speeds. Above as well as below the normal speed Above the normal speed only Below the normal speed only None of the listed here Above as well as below the normal speed Above the normal speed only Below the normal speed only None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor has the poorest speed control? Differentially compounded motor Shunt motor Series motor Cummulative compounded motor Differentially compounded motor Shunt motor Series motor Cummulative compounded motor ANSWER DOWNLOAD EXAMIANS APP
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