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Power Plant Engineering - section-1
  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

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

    3. A.

     Does not absorb neutrons
    B.

     Absorbs neutrons
    C.

     Accelerates neutrons
    D.

     Eats up neutrons

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  3. Which of the following are ferrite materials?

    4. A.

     U₂₃₃ and Pu₂₃₉
    B.

     U
    C.

     U₂₃₈ and Pu₂₃₉
    D.

     U₂₃₈ and Th₂₃₉

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

    5. A.

     Stable under nuclear radiation
    B.

     Corrosion resistant
    C.

     Good thermal conductor
    D.

     All of these

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  5. For economical operation of a nuclear plant

    6. A.

     Used fuel should be reprocessed
    B.

     Moderator should be used
    C.

     Coolant should be employed
    D.

     Control rods should be used

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

    7. 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

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  7. A boiling water reactor uses following as fuel

    8. A.

     Enriched uranium
    B.

     Plutonium
    C.

     Thorium
    D.

     U

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  8. A fast breeder reactor uses following as fuel

    9. A.

     Enriched uranium
    B.

     Plutonium
    C.

     Thorium
    D.

     U₂₃₅

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  9. Superheated steam is generated in following reactor

    10. A.

     Boiling water
    B.

     Gas cooled
    C.

     Pressurised water
    D.

     All of the above

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

    11. A.

     Pressurised water
    B.

     Boiling water
    C.

     Gas cooled
    D.

     Liquid metal cooled

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