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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

  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

  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

  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

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

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

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

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

  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

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

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

  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)

  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.