DC Motors The resistance of shunt field winding as compared to series field winding is Less More The same None of the listed here Less More The same None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Armature reaction in dc motor is increased When the armature current decreases When the field current increases When the armature current increases By interpoles When the armature current decreases When the field current increases When the armature current increases By interpoles ANSWER DOWNLOAD EXAMIANS APP
DC Motors Carbon brushes are preferable to copper brushes because _____ They have lower resistance They have longer life They reduce sparking They reduce armature reaction They have lower resistance They have longer life They reduce sparking They reduce armature reaction ANSWER DOWNLOAD EXAMIANS APP
DC Motors Usually wide and sensitive speed control is desired in case of Colliery winders Steel rolling mills Elevators Centrifugal pumps Colliery winders Steel rolling mills Elevators Centrifugal pumps ANSWER DOWNLOAD EXAMIANS APP
DC Motors In a dc compound machine, Either can play dominant role Series field winding plays dominant role Shunt field winding plays dominant role Both play equally dominant role Either can play dominant role Series field winding plays dominant role Shunt field winding plays dominant role Both play equally dominant role ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is Back e.m.f. Self-induced e.m.f. None of these Mutually induced e.m.f. Back e.m.f. Self-induced e.m.f. None of these Mutually induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
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