In a D.C. generator the critical resistance can be increased by_____________?

Related Mcqs:

In D.C. generators, the cause of rapid brush wear may be___________?

A. severe sparking B. rough commutator surface C. imperfect contact D. any of the above...

The armature of D.C. generator is laminated to_______________?

A. reduce the bulk B. provide the bulk C. insulate the core D. reduce eddy current loss...

Equilizer rings are required in case armature is_______________?

A. wave wound B. lap wound C. delta wound D. duplex wound...

Which of the following generator will have negligible terminal voltage while running on no-load?

A. Series generator B. Shunt generator C. Compound generator D. Separately excited generator...

The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except:_____________?

A. armature reaction B. armature resistance drop C. field weakening due to armature reaction and armature D. commutation...