31. Usually wide and sensitive speed control is desired in case of
32. Which one of the following is not the function of pole shoes in a D.C. machine?
33. Which of the following tests will be suitable for testing two similar D.C. series motors of large capacity?
34. When the armature of a D.C. motor rotates, e.m.f. induced is
35. A three point starter is considered suitable for
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