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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. H2 is a better coolant than CO2, due to its relatively

    2. A.
    lower density.
    B.
    higher specific heat.
    C.
    non-reactivity to uranium.
    D.
    lower neutron capture cross-section.

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  2. The half life period of a radiactive element is 100 days. After 400 days, one gm of the element will be reduced to __________ gm.

    3. A.
    1/4
    B.
    1/8
    C.
    1/2
    D.
    1/16

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  3. Nucleus of tritium has __________ neutrons.

    4. A.
    1
    B.
    2
    C.
    3
    D.
    5

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  4. Percentage of natural uranium present in uranium ore found in Jadugoda (Jharkhand) is

    5. A.
    0.1
    B.
    1
    C.
    3
    D.
    12

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  5. A fast breeder reactor

    6. A.
    utilises fast neutrons for causing fission.
    B.
    converts fertile material (e.g., U-238) into fissile material (Pu-239).
    C.
    normally employs molten sodium as coolant.
    D.
    all (a), (b) and (c).

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  6. Commercial power generation from fusion reactor is not yet possible, because

    7. A.
    it is difficult to control nuclear fusion reaction.
    B.
    the fuel required (i.e., deuterium & tritium) is scarce.
    C.
    it is difficult to initiate fusion reaction.
    D.
    quantity of fuel required for initiating fusion reaction is prohibitively high.

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  7. Candu reactor is a __________ nuclcear reactor.

    8. A.
    natural uranium fuelled heavy water cooled & moderated
    B.
    highly enriched uranium (85% U-235) fuelled
    C.
    homogeneous
    D.
    fast breeder

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  8. Which of the following is a non-fissile material ?

    9. A.
    Plutonium-239
    B.
    Uranium-235
    C.
    Uranium-233
    D.
    Thorium-232

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  9. Use of molten metal as a coolant in fast breeder reactor helps in

    10. A.
    rapid heat transfer from the core.
    B.
    accelerating the reaction rate in the core.
    C.
    breeding neutrons.
    D.
    accelerating the neutrons.

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  10. What is the average life of a radioactive atom having a 'half life period' of T ?

    11. A.
    1.44 T
    B.
    0.144 T
    C.
    14.4 T
    D.
    2T

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