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

Related Mcqs:

For a D.C. generator when the number of poles and the number of armature conductors is fixed, then which winding will give the higher e.m.f___________ ?

A. Lap winding B. Wave winding C. Either of A. and B. above D. Depends on other features of design...

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

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

In case of D.C. machine winding, number of commutator segments is equal to______________?

A. number of armature coils B. number of armature coil sides C. number of armature conductors D. number of armature turns...

For the parallel operation of two or more D.C. compound generators, we should ensure that_______________?

A. voltage of the incoming generator should be same as that of bus bar B. polarity of incoming generator should be same as that of bus bar C. all the series fields should be run in parallel by means of equilizer connection D. series fields of all generators should be either on positive side or … For the parallel operation of two or more D.C. compound generators, we should ensure that_______________?Read More...

In a separately excited generator supplying rated load the armature reaction.

A. is always present B. is always absent C. may be sometimes present D. none of the above...