DC Motors In a D.C. series motor, if the armature current is reduced by 50%, the torque of the motor will be equal to 100% of the previous value 10% of the previous value 50% of the previous value 25% of the previous value 100% of the previous value 10% of the previous value 50% of the previous value 25% of the previous value ANSWER DOWNLOAD EXAMIANS APP
DC Motors No load speed of which of the following motor will be highest? Differentially compounded motor Cummulative compounded motor Series motor Shunt motor Differentially compounded motor Cummulative compounded motor Series motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors The mechanical power developed in a dc motor is maximum when back emf is equal to _____ the applied voltage. Half None of the listed here Twice One-third Half None of the listed here Twice One-third ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following application requires high starting torque? Locomotive Air blower Lathe machine Centrifugal pump Locomotive Air blower Lathe machine Centrifugal pump ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc motor can be easily identified by Size of conductor Yoke Commutator Winding Size of conductor Yoke Commutator Winding ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for Shunt motors Shunt as well as compound motors Shunt, compound and series motors All D.C. motors Shunt motors Shunt as well as compound motors Shunt, compound and series motors All D.C. motors ANSWER DOWNLOAD EXAMIANS APP
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