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Mechanical Engineering :: Power Plant Engineering

  1. The nuclear energy is measured as

  2. A.

     MeV

    B.

     Curie

    C.

     Farads

    D.

     MW


  3. In a fission process, maximum percentage of energy is released as

  4. A.

     Kinetic energy of neutrons

    B.

     Kinetic energy of fission products

    C.

     Instantaneous release of gamma rays

    D.

     Gradual radioactive decay of fission products


  5. Which of the following can be used as a coolant in nuclear plant?

  6. A.

     Light or heavy water

    B.

     Molten lead

    C.

     Carbon dioxide

    D.

     Freon


  7. Natural uranium is made up of

  8. A.

     99.282% U₂₃₈, 0.712% U₂₃₅, 0.006% U₂₃₄

    B.

     99.282% U₂₃₅, 0.712% U₂₃₈, 0.06%' U₂₃₄

    C.

     99.282% U₂₃₄, 0.712% U₂₃₈, 0.006% U₂₃₅

    D.

     99.282% U₂₃₅, 0.712% U₂₃₄, 0.006% U₂₃₈


  9. The function of control rods in nuclear plants is to

  10. A.

     Control temperature

    B.

     Control radioactive pollution

    C.

     Control absorption of neutron

    D.

     Control fuel consumption


  11. Solid fuel for nuclear reactions may be fabricated into various small shapes such as

  12. A.

     Plates

    B.

     Pallets

    C.

     Pins

    D.

     Any one of the above


  13. The fast breeder reactor uses the following moderator

  14. A.

     Demineralised water

    B.

     Carbon dioxide

    C.

     Heavy water

    D.

     No moderator is used


  15. Electron volt is the unit of

  16. A.

     Atomic power

    B.

     Energy

    C.

     Voltage

    D.

     Radio activity


  17. Which is not identical for an atom and an isotope?

  18. A.

     Mass number

    B.

     Atomic number

    C.

     Chemical properties

    D.

     Position in periodic table


  19. Enriched uranium is one in which

  20. A.

     Percentage of U₂₃₅ has been artificially increased

    B.

     Percentage of U has been artificially increased

    C.

     Percentage of U₂₃₄ has been artificially increased

    D.

     Extra energy is pumped from outside