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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. Plutonium

    2. A.
    is recovered from spent fuel from thermal nuclear reactor.
    B.
    has much lower melting point (640°C ) compared to thorium (1690°C).
    C.
    both (a) and (b).
    D.
    neither (a) nor (b).

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  2. A control rod

    3. A.
    should have small absorption cross-section.
    B.
    is generally made of boron, hafnium or cadmium.
    C.
    should have large absorption cross-section.
    D.
    both (b) and (c).

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  3. Number of secondary neutron emitted on fission of an atom of U-235 by slow neutron bombardment is

    4. A.
    3
    B.
    235
    C.
    200
    D.
    92

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  4. Enriched uranium means that, it contains

    5. A.
    more than 0.71% of U-235.
    B.
    only fertile material.
    C.
    only fissile material.
    D.
    no impurities.

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  5. The radioisotope used to study the thyroid gland is

    6. A.
    iodine
    B.
    cobalt
    C.
    iron
    D.
    carbon

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  6. The mass number of an element is equal to the number of __________ in the nucleus.

    7. A.
    electrons
    B.
    neutrons
    C.
    protons
    D.
    neutrons plus protons (i.e., nucleons)

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  7. The half life period of a radioactive element depends upon the

    8. A.
    temperature
    B.
    pressure
    C.
    amount of element present
    D.
    none of these

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  8. Fuel for a fast breeder reactor is

    9. A.
    plutonium
    B.
    uranium
    C.
    radium
    D.
    neptunium

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  9. Fast breeder test reactor at Kalpakkam is designed for using

    10. A.
    thorium as a fertile material.
    B.
    U-238 as a fertile material.
    C.
    helium as a coolant.
    D.
    uranium ore directly as a fuel.

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  10. In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous

    11. A.
    uranium oxide
    B.
    uranium hexaflouride
    C.
    uranium carbide
    D.
    uranium sulphate

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