DC Motors Armature reaction in dc motor is increased When the field current increases When the armature current decreases By interpoles When the armature current increases When the field current increases When the armature current decreases By interpoles When the armature current increases ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. generators are normally designed for maximum efficiency around All of these Rated voltage Full load Rated r.p.m. All of these Rated voltage Full load Rated r.p.m. ANSWER DOWNLOAD EXAMIANS APP
DC Motors These days dc motors are widely used in Air compressors Machine shops Pumping sets Electric traction Air compressors Machine shops Pumping sets Electric traction ANSWER DOWNLOAD EXAMIANS APP
DC Motors A dc series motor is most suitable for Pump Punch presses Lathes Cranes Pump Punch presses Lathes Cranes ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is None of these Back e.m.f. Mutually induced e.m.f. Self-induced e.m.f. None of these Back e.m.f. Mutually induced e.m.f. Self-induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity? Brake test Hopkinson's test Field test Swinburne's test Brake test Hopkinson's test Field test Swinburne's test ANSWER DOWNLOAD EXAMIANS APP