DC Motors If the supply voltage for a D.C. motor is increased, which of the following will decrease? Operating speed All of these Full-load current Starting torque Operating speed All of these Full-load current Starting torque ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is that which Can be started easily without load Has its field winding consisting of thick wire and less turns Has a poor torque Has almost constant speed Can be started easily without load Has its field winding consisting of thick wire and less turns Has a poor torque Has almost constant speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for Shunt, compound and series motors Shunt as well as compound motors Shunt motors All D.C. motors Shunt, compound and series motors Shunt as well as compound motors Shunt motors All D.C. motors ANSWER DOWNLOAD EXAMIANS APP
DC Motors For the same H.P. rating and full load speed, following motor has poor starting torque Shunt Differentially compounded Series Cumulatively compounded Shunt Differentially compounded Series Cumulatively compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following loss in a D.C. generator varies significantly with the load current? Field copper loss Windage loss Armature copper loss None of these Field copper loss Windage loss Armature copper loss None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used Where load is constant None of these Where constant operating speed is needed Where load changes frequently Where load is constant None of these Where constant operating speed is needed Where load changes frequently ANSWER DOWNLOAD EXAMIANS APP