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Mechanical Engineering :: Power Plant Engineering

  1. Which of the following nuclear reactor does not need a heat exchanger for generation of steam?

  2. A.

     Gas cooled

    B.

     Liquid metal cooled

    C.

     Pressurised water

    D.

     Boiling water


  3. Which of the following is more appropriate for a moderator? One which

  4. A.

     Does not absorb neutrons

    B.

     Absorbs neutrons

    C.

     Accelerates neutrons

    D.

     Eats up neutrons


  5. Which of the following are ferrite materials?

  6. A.

     U₂₃₃ and Pu₂₃₉

    B.

     U

    C.

     U₂₃₈ and Pu₂₃₉

    D.

     U₂₃₈ and Th₂₃₉


  7. A moderator, apart from its high neutron slowing power, and low non-productive neutron, should be

  8. A.

     Stable under nuclear radiation

    B.

     Corrosion resistant

    C.

     Good thermal conductor

    D.

     All of these


  9. For economical operation of a nuclear plant

  10. A.

     Used fuel should be reprocessed

    B.

     Moderator should be used

    C.

     Coolant should be employed

    D.

     Control rods should be used


  11. The mass number of a substance represents the sum of total number of

  12. A.

     Protons and neutrons in an atom

    B.

     Protons and electrons in an atom

    C.

     Neutrons and electrons in an atom

    D.

     Protons and neutrons in a nucleus


  13. A boiling water reactor uses following as fuel

  14. A.

     Enriched uranium

    B.

     Plutonium

    C.

     Thorium

    D.

     U


  15. A fast breeder reactor uses following as fuel

  16. A.

     Enriched uranium

    B.

     Plutonium

    C.

     Thorium

    D.

     U₂₃₅


  17. Superheated steam is generated in following reactor

  18. A.

     Boiling water

    B.

     Gas cooled

    C.

     Pressurised water

    D.

     All of the above


  19. The risk of radioactive hazard is greatest in the turbine with following reactor

  20. A.

     Pressurised water

    B.

     Boiling water

    C.

     Gas cooled

    D.

     Liquid metal cooled