The purpose of providing dummy coils in a generator is____________?

Related Mcqs:

The resistance of armature winding depends on

A. length of conductor B. cross-sectional area of the conductor C. number of conductors D. all of the above...

In case of a 4-pole D.C. generator provided with a two layer lap winding with sixteen coils, the pole pitch will be__________________?

A. 4 B. 8 C. 16 D. 32...

The following constitute short-circuit in the armature winding.

A. Insulation failure between two commutator bars B. Insulation failure between two turns of a coil C. Two of more turns of the same coil getting grounded D. All of the above...

Permeance is the reciprocal of______________?

A. flux density B. reluctance C. ampere-turns D. resistance...

If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to______________?

A. reverse the field connections B. increase the field resistance C. increase the speed of primemover D. check armature insulation resistance...