DC Motors The speed of a _____ motor is practically constant. Differentially compounded Series Shunt Cumulatively compounded Differentially compounded Series Shunt Cumulatively compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at None of the listed here Half full load Full load No load None of the listed here Half full load Full load No load ANSWER DOWNLOAD EXAMIANS APP
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 Also runs as a motor comes to stop after sometime Runs as a generator None of these Does not run as a generator Also runs as a motor comes to stop after sometime Runs as a generator None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used None of these Where load changes frequently Where constant operating speed is needed Where load is constant None of these Where load changes frequently Where constant operating speed is needed Where load is constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors For a D.C. shunt motor if the excitation is changed Torque and power both will change Torque will remain constant Torque, power and speed, all will change Torque will change but power will remain constant Torque and power both will change Torque will remain constant Torque, power and speed, all will change Torque will change but power will remain constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Variable speed High starting torque Frequent on-off cycles Low starting torque Variable speed High starting torque Frequent on-off cycles Low starting torque ANSWER DOWNLOAD EXAMIANS APP
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