DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. One-third Half Twice None of the listed here One-third Half Twice None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors The power mentioned on the name plate of an electric motor indicates The power drawn in kW The output power available at the shaft The gross power The power drawn in kVA The power drawn in kW The output power available at the shaft The gross power The power drawn in kVA ANSWER DOWNLOAD EXAMIANS APP
DC Motors Differentially compound D.C. motors can find applications requiring Low starting torque Frequent on-off cycles High starting torque Variable speed Low starting torque Frequent on-off cycles High starting torque Variable speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is 1000 rpm 4000 rpm 2000 rpm Infinity 1000 rpm 4000 rpm 2000 rpm Infinity ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where constant operating speed is needed Where load is constant Where load changes frequently None of these Where constant operating speed is needed Where load is constant Where load changes frequently None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which D.C. motor has got maximum self loading property? Series motor Shunt motor Differentially compounded motor Cumulatively compounded motor Series motor Shunt motor Differentially compounded motor Cumulatively compounded motor ANSWER DOWNLOAD EXAMIANS APP
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