DC Motors If a D.C. shunt motor is working at no load and if shunt field circuit suddenly opens This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Motor will run at very slow speed This will make armature to take heavy current, possibly burning it Nothing will happen to the motor This will result in excessive speed, possibly destroying armature due to excessive centrifugal stresses Motor will run at very slow speed This will make armature to take heavy current, possibly burning it Nothing will happen to the motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors A compensating winding is an auxiliary winding embedded in slots in The pole faces of main poles Partly in pole faces, partly in armature None of the listed here The armature The pole faces of main poles Partly in pole faces, partly in armature None of the listed here The armature ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the field current increases When the armature current increases When the armature current decreases By interpoles When the field current increases When the armature current increases When the armature current decreases By interpoles ANSWER DOWNLOAD EXAMIANS APP
DC Motors The speed of a series motor at no load is 4000 rpm Infinity 1000 rpm 2000 rpm 4000 rpm Infinity 1000 rpm 2000 rpm ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor has the poorest speed control? Differentially compounded motor Series motor Cummulative compounded motor Shunt motor Differentially compounded motor Series motor Cummulative compounded motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors ______ motor has the best speed regulation. Shunt Series Differentially compounded Cummulative compounded Shunt Series Differentially compounded Cummulative compounded ANSWER DOWNLOAD EXAMIANS APP
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