If a D.C. generator fails to build up the probable cause could not be_____________?

Related Mcqs:

The armature of D.C. generator is laminated to_______________?

A. reduce the bulk B. provide the bulk C. insulate the core D. reduce eddy current loss...

D.C. generators are connected to the busbars or disconnected from them only under the floating condition________________?

A. to avoid sudden loading of the primemover B. to avoid mechanicaljerk to the shaft C. to avoid burning of switch contacts D. all above...

A D.C. generator can be considered as____________?

A. rectifier B. primemover C. rotating amplifier D. power pump...

Satisfactory commutation of D.C. machines requires______________?

A. brushes should be of proper grade and size B. brushes should smoothly run in the holders C. smooth, concentric commutator properly undercut D. all of the above...

Armature reaction in a generator results in_____________?

A. demagnetisation of leading pole tip and magnetisation of trailing pole tip B. demagnetisation of trailing pole tip and magnetisation of leading pole tip C. damagnetising the center of all poles D. magnetising the center of all poles...