Armature reaction of an unsaturated D.C. machine is_____________?

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 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...

In the case of lap winding resultant pitch is____________?

A. multiplication of front and back pitches B. division of front pitch by back pitch C. sum of front and back pitches D. difference of front and back pitches...

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

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

For both lap and wave windings, there are as many commutator bars as the number of_____________?

A. slots B. armature conductors C. winding elements D. poles...