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______________?

Related Mcqs:

In a four-pole D.C. machine____________?

A. all the four poles are north poles B. alternate poles are north and south C. all the four poles are south poles D. two north poles follow two south poles...

In a commutator_____________?

A. copper is harder than mica B. mica and copper are equally hard C. mica is harder than copper D. none of the above...

Equilizer rings are required in case armature is_______________?

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

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

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

The critical resistance of the D.C. generator is the resistance of_____________?

A. field B. brushes C. armature D. load...