DC Motors Usually wide and sensitive speed control is desired in case of Elevators Centrifugal pumps Colliery winders Steel rolling mills Elevators Centrifugal pumps Colliery winders Steel rolling mills 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 eddy current loss To spread out flux for better uniformity To support the field coils To reduce the reluctance of the magnetic path To reduce eddy current loss To spread out flux for better uniformity To support the field coils To reduce the reluctance of the magnetic path 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 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. Back 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 motors Shunt, compound and series motors All D.C. motors Shunt as well as compound motors Shunt motors Shunt, compound and series motors ANSWER DOWNLOAD EXAMIANS APP
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