Objective Questions on Alternator or Synchronous Generator

  1. What type of alternator is used in hydroelectric power stations ?

    Under construction.

  2. What is largest size of alternator being manufactured in India ?

    Under construction.

  3. An alternator coupled to which primeover will usually have the highest rotating speed ?

    Under construction.

  4. Salient pole type alternators are generally used on

    Under construction.

  5. In modern alternators, the rotating part is

    Under construction.

  6. Hydro generator are generally employed to run at _________________ rpm.

    Under construction.

  7. In case of turbo-alternators, rotor is made of

    Under construction.

  8. In power generating stations (thermal power plant), the usual number of poles employed in alternators are

    Under construction.

  9. Alternator are usually designed to generate

    Under construction.

  10. The number of poles in turbo-alternators is usually

    Under construction.

  11. The salient pole rotor have

    Under construction.

  12. Cylindrical rotor alternators use ______________ ducts for efficient cooling.

    Under construction.

  13. Larger diameter salient pole rotors have shorter axial length because

    Under construction.

  14. In turbo-alternator, smooth cylindrical rotors have very long axial length because it

    Under construction.

  15. The salient pole rotors are not suitable for high speed turbo-generators due to

    Under construction.

  16. Skew of rotor bar eliminates

    Under construction.

  17. Alternators, now a days, are designed to have poor regulation because

    Under construction.

  18. In an air crafts, alternators have operaing frequency of

    Under construction.

  19. Non-salient pole type rotor construction is usually provided in the alternators used in

    Under construction.

  20. Salient pole type rotors as compared to cylindrical pole type are

    Under construction.