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

Related Mcqs:

In D.C. generators the pole shoes are fastened to the pole core by_____________?

A. rivets B. counter sunk screws C. brazing D. welding...

Iron losses in a D.C. machine are independent of variations in______________?

A. speed B. load C. voltage D. speed and voltage...

In a D.C. generator the critical resistance refers to the resistance of_____________?

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

In over compounded generator, full load terminal voltage is______________?

A. almost zero B. less than no load terminal voltage C. more than no load terminal voltage D. equal to no-load terminal voltage...

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

A. increasing its field resistance B. decreasing its field resistance C. increasing its speed D. decreasing its speed...