Objective Questions on Construction of DC Generator

  1. The purpose of providing dummy coils in a generator is

    Under construction.

  2. Lamination of core are generally made of

    Under construction.

  3. Poles of DC machine are often laminated to

    Under construction.

  4. The ventilating ducts in most of DC machine are

    Under construction.

  5. In a commutator

    Under construction.

  6. In Dc machine, the armature windings are placed on the rotor because of necessity for

    Under construction.

  7. What are slot wedges in a DC machine made of?

    Under construction.

  8. The armature of DC machine is made of silicon steel lamination to

    Under construction.

  9. The teeth in the armature of a DC machines are sometimes skewed. This is done to reduce

    Under construction.

  10. The number of brushes in a commutator depends on

    Under construction.

  11. The insulating material used between the commutator segments is normally

    Under construction.

  12. Copper brushes in DC machine are used

    Under construction.

  13. The bearings used to support the rotor shafts are generally

    Under construction.

  14. In DC generators, the brushes remain in contact with conductors which

    Under construction.

  15. The polarity of a DC generator can be reversed by

    Under construction.

  16. The brushes of a DC machine should be placed on the

    Under construction.

  17. A DC generator beyond critical resistance will generate

    Under construction.

  18. Width of a carbon brush should be equal to

    Under construction.

  19. A Dc generator can be considered as

    Under construction.

  20. In DC generators, the cause of rapid brush wear may be

    Under construction.