Which of the following losses are significantly reduced by laminating the core of a D.C. generator ?

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A direct on line starter is used: for starting motors___________?

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In D.C. machines fractional pitch winding is used__________?

A. to improve cooling B. to reduce copper losses C. to increase the generated e.m.f. D. to reduce the sparking...

For which of the following applications a D.C. motor is preferred over an A.C. motor ?

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The armature voltage control of D.C. motor provides____________?

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Which of the following steps is likely to result in reduction of hysteresis loss in a D.C. generator ?

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