DC Motors Which method of braking is generally used in elevators? None of these Rheostat braking Regenerative braking Plugging None of these Rheostat braking Regenerative braking Plugging ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motor has the best speed regulation. Shunt Series Cummulative compounded Differentially compounded Shunt Series Cummulative compounded Differentially compounded ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is 1000 rpm 2000 rpm 4000 rpm Infinity 1000 rpm 2000 rpm 4000 rpm Infinity ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following losses are significantly reduced by laminating the core of a D.C. generator? Hysteresis losses Eddy current losses Windage losses Copper losses Hysteresis losses Eddy current losses Windage losses Copper losses ANSWER DOWNLOAD EXAMIANS APP
DC Motors A compensating winding is an auxiliary winding embedded in slots in None of the listed here The pole faces of main poles Partly in pole faces, partly in armature The armature None of the listed here The pole faces of main poles Partly in pole faces, partly in armature The armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a D.C. generator, the iron losses mainly take place in Yoke Commutator Armature rotor Armature conductors Yoke Commutator Armature rotor Armature conductors ANSWER DOWNLOAD EXAMIANS APP