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Chemical Engineering :: Nuclear Power Engineering

Nuclear Power Engineering - Section 1
Nuclear Power Engineering - Section 2
Nuclear Power Engineering - Section 3
Nuclear Power Engineering - Section 4
Nuclear Power Engineering - Section 5

  1. Spent fuel from the nuclear thermal reactor contains

    2. A.
    fission products
    B.
    plutonium
    C.
    unused fuel
    D.
    all (a), (b) & (c)

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  2. A boiling water reactor is the one, in which the

    3. A.
    coolant water is allowed to boil in the core of the reactor.
    B.
    coolant water, after being heated in the reactor core, generates steam in a boiler.
    C.
    pressurised water is pumped into the core.
    D.
    fuel and the coolant are thoroughly mixed to form a homogeneous solution.

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  3. Which is used as a coolant in nuclear reactor due to its high capture cross-section ?

    4. A.
    H2
    B.
    N2
    C.
    He
    D.
    CO2

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  4. Moderating material used in a thermal-reactor should be a

    5. A.
    good absorber of neutrons.
    B.
    solid substance.
    C.
    poor absorber of neutrons.
    D.
    none of these.

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  5. Ordinary water is not used as a moderator because, it

    6. A.
    has a low absorption cross-section.
    B.
    has a low scattering cross-section.
    C.
    absorbs neutrons.
    D.
    does not absorb neutrons.

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  6. The atomic number of a radioactive element is not changed, when it emits __________ rays.

    7. A.
    α
    B.
    β
    C.
    γ
    D.
    α & β

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  7. Fission of U-235 on slow neutron bombardment can be represented by

    8. A.
    92U235 + 3 γ1 56Ba143 + 36Kr90
    B.
    92U235 + 0n1 56Ba143 + 36Kr90 + 3 0n1
    C.
    92U235 + 0n1 56Ba143 + 36Kr90 + 3 0n1 + Q (energy)
    D.
    92U235 + 0n1 92U236 + 30n1+ Q (energy)

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  8. A nuclear reactor can't be used for

    9. A.
    the production of radioisotopes.
    B.
    supplying intense fields or beams of neutron for scientific experiments.
    C.
    marine ship propulsion.
    D.
    none of these.

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  9. Which of the following is a moderating material used in nuclear reactor ?

    10. A.
    Graphite.
    B.
    Cadmium.
    C.
    Zircalloy (an alloy of zirconium and aluminium).
    D.
    Stainless steel.

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  10. The atomic number of an element is equal to the number of __________ present in its atom.

    11. A.
    neutrons
    B.
    electrons
    C.
    protons
    D.
    either (b) or (c)

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