DC Motors A compensating winding is an auxiliary winding embedded in slots in 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 The pole faces of main poles ANSWER DOWNLOAD EXAMIANS APP
DC Motors In dc machines fractional pitch winding is used To improve cooling To reduce the sparking To reduce the generated emf To increase the generated emf To improve cooling To reduce the sparking To reduce the generated emf To increase the generated emf ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the armature current increases When the armature current decreases When the field current increases By interpoles When the armature current increases When the armature current decreases When the field current increases By interpoles ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which motor has the poorest speed control? Shunt motor Series motor Cummulative compounded motor Differentially compounded motor Shunt motor Series motor Cummulative compounded motor Differentially compounded motor ANSWER DOWNLOAD EXAMIANS APP
DC Motors During rheostat braking of dc series motor None of the listed here Motor is reversed in direction Motor is run as a generator Motor is run at reduced speed None of the listed here Motor is reversed in direction Motor is run as a generator Motor is run at reduced speed ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Mutually induced e.m.f. Self-induced e.m.f. Back e.m.f. None of these Mutually induced e.m.f. Self-induced e.m.f. Back e.m.f. None of these ANSWER DOWNLOAD EXAMIANS APP
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