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Chemical Engineering :: Nuclear Power Engineering

  1. Which of the following may be used to measure the rate of nuclear disintegration?

  2. A.
    Geiger-Muller Counter
    B.
    Cyclotron
    C.
    Cold chamber
    D.
    Mass spectrograph

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  3. The decrease in the atomic number is not observed in case of

  4. A.
    electron capture
    B.
    β-emission
    C.
    α-emission
    D.
    positron emission

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  5. The mass number of an element is not changed, when it emits __________ radiations.

  6. A.
    α & β
    B.
    β & γ
    C.
    γ & α
    D.
    α, β, & γ

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  7. Which of the following is not a naturally occurring nuclear fuel ?

  8. A.
    Uranium-238
    B.
    Thorium-233
    C.
    Plutonium-239
    D.
    None of these

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  9. An electron has a mass that is approximately __________ that of the proton.

  10. A.
    1836 (approximately)
    B.
    1/1836 (approximately)
    C.
    1
    D.

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  11. Which is the most commonly used molten metal for cooling of nuclear reactors ?

  12. A.
    Calcium
    B.
    Sodium
    C.
    Mercury
    D.
    Zinc

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  13. The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be __________ of its original weight.

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

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  15. The second underground nuclear test was conducted by India at

  16. A.
    Jaisalmer
    B.
    Pokhran
    C.
    Kalpakkan
    D.
    Narora

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  17. Which of the following is artificially produced as it does not occur in nature ?

  18. A.
    Uranium-235
    B.
    Uranium-233
    C.
    Plutonium-239
    D.
    Both (b) and (c)

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  19. Gas cooling as compared to water cooling of nuclear reactors

  20. A.
    can not attain a high temperature.
    B.
    is more efficient as gas has a higher specific heat.
    C.
    can produce only saturated steam for feeding to power turbine.
    D.
    none of these.

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