DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Cumulatively compounded Shunt Differentially compounded Series Cumulatively compounded Shunt Differentially compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a _____ motor is practically constant. Shunt Cumulatively compounded Differentially compounded Series Shunt Cumulatively compounded Differentially compounded Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors The armature voltage control of dc motor provides None of the listed here Constant voltage drive Constant torque drive Constant current drive None of the listed here Constant voltage drive Constant torque drive Constant current drive ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To improve cooling To reduce the generated emf To reduce the sparking To increase the generated emf To improve cooling To reduce the generated emf To reduce the sparking To increase the generated emf ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 10 to 15 percent 2 to 3 percent 20 to 25 percent 50 to 75 percent 10 to 15 percent 2 to 3 percent 20 to 25 percent 50 to 75 percent ANSWER DOWNLOAD EXAMIANS APP
DC Motors What will happen if the back emf of a dc motor vanishes suddenly? The motor will continue to run The motor will stop The motor will run noisy The armature may burn The motor will continue to run The motor will stop The motor will run noisy The armature may burn ANSWER DOWNLOAD EXAMIANS APP
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