DC Motors ______ motor has the best speed regulation. Shunt Cummulative compounded Series Differentially compounded Shunt Cummulative compounded Series Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Operating speed Starting torque Full-load current All of these Operating speed Starting torque Full-load current All of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The value of back emf in dc motor is maximum at No load Full load Half full load None of the listed here No load Full load Half full load None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Air blower Centrifugal pump Locomotive Lathe machine Air blower Centrifugal pump Locomotive Lathe machine ANSWER DOWNLOAD EXAMIANS APP
DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven Runs as a generator Does not run as a generator None of these Also runs as a motor comes to stop after sometime Runs as a generator Does not run as a generator None of these Also runs as a motor comes to stop after sometime ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? None of these Field copper loss Windage loss Armature copper loss None of these Field copper loss Windage loss Armature copper loss ANSWER DOWNLOAD EXAMIANS APP
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