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 Which one of the following is not the function of pole shoes in a D.C. machine? To support the field coils To reduce the reluctance of the magnetic path To spread out flux for better uniformity To reduce eddy current loss To support the field coils To reduce the reluctance of the magnetic path 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 Field test Hopkinson's test Swinburne's test Brake test Field test Hopkinson's test Swinburne's 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. None of these Self-induced e.m.f. Back e.m.f. Mutually induced e.m.f. None of these Self-induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Motors A three point starter is considered suitable for All D.C. motors Shunt as well as compound motors Shunt, compound and series motors Shunt motors All D.C. motors Shunt as well as compound motors Shunt, compound and series motors Shunt motors ANSWER DOWNLOAD EXAMIANS APP
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