DC Motors Usually wide and sensitive speed control is desired in case of Steel rolling mills Colliery winders Elevators Centrifugal pumps Steel rolling mills Colliery winders Elevators Centrifugal pumps ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not the function of pole shoes in a D.C. machine? To reduce the reluctance of the magnetic path To support the field coils To spread out flux for better uniformity To reduce eddy current loss To reduce the reluctance of the magnetic path To support the field coils To spread out flux for better uniformity To reduce eddy current loss 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 Swinburne's test Field test Brake test Hopkinson's test Swinburne's test Field test ANSWER DOWNLOAD EXAMIANS APP
DC Motors When the armature of a D.C. motor rotates, e.m.f. induced is 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. None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for Shunt motors Shunt as well as compound motors All D.C. motors Shunt, compound and series motors Shunt motors Shunt as well as compound motors All D.C. motors Shunt, compound and series motors ANSWER DOWNLOAD EXAMIANS APP
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