Following D.C. generator will be in a position to build up without any residual magnetism in the poles______________?

Related Mcqs:

The field coils of D.C. generator are usually made of_____________?

A. mica B. copper C. cast iron D. carbon...

The insulating material used between the commutator segments is normally_____________?

A. graphite B. paper C. mica D. insulating varnish...

The rapid wear of brushes takes place due to____________?

A. abrasion from dust B. excessive spring pressure C. rough commutator bars D. high mica insulation between com-mutation bars E. all of the above factors...

The armature core of a D.C. generator is usually made of__________________?

A. silicon steel B. copper C. non-ferrous material D. cast-iron...

Which of the following generating machine will offer constant voltage on all loads?

A. Self-excited generator B. Separately excited generator C. Level compounded generator D. All of the above...