DC Motors D.C. generators are normally designed for maximum efficiency around Full load Rated voltage All of these Rated r.p.m. Full load Rated voltage All of these Rated r.p.m. ANSWER DOWNLOAD EXAMIANS APP
DC Motors By looking at which part of the motor, it can be easily confirmed that a particular motor is D.C. motor? Stator Commutator Shaft Frame Stator Commutator Shaft Frame ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Cumulatively compounded Differentially compounded Shunt Series Cumulatively compounded Differentially compounded Shunt Series ANSWER DOWNLOAD EXAMIANS APP
DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Starting torque Full-load current All of these Operating speed Starting torque Full-load current All of these Operating speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors The resistance of shunt field winding as compared to series field winding is Less None of the listed here More The same Less None of the listed here More The same ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc machines the residual magnetism is of the order of 2 to 3 percent 20 to 25 percent 10 to 15 percent 50 to 75 percent 2 to 3 percent 20 to 25 percent 10 to 15 percent 50 to 75 percent ANSWER DOWNLOAD EXAMIANS APP
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