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Chemical Engineering :: Nuclear Power Engineering

  1. Heavy water plant is not located at

  2. A.
    Kota and Baroda
    B.
    Talcher (Orissa)
    C.
    Tuticorin(Tamilnadu)
    D.
    Korba

  3. Pick out the wrong statement.

  4. A.
    Isotopes have the same number of protons & electrons, but different number of neutrons.
    B.
    Hydrogen has two isotopes.
    C.
    In ordinary hydrogen, 1H1 and 1H2 are present in the ratio 6400:1.
    D.
    none of these.

  5. The most abundant isotope of natural uranium is

  6. A.
    92U238
    B.
    92U235
    C.
    92U234
    D.
    none of these

  7. Out of the following, nucleus of __________ atom contains the largest number of neutrons.

  8. A.
    U-235
    B.
    U-238
    C.
    U-239
    D.
    Pu-239

  9. A radioactive substance does not emit

  10. A.
    α-ray
    B.
    proton
    C.
    position
    D.
    β-ray

  11. The specific heats of three gaseous coolants namely H2, He and CO2 in the increasing order are

  12. A.
    CO2, He, H2
    B.
    CO2, H2, He
    C.
    H2, He, CO2
    D.
    H2, CO2, He

  13. Indian monazite sand contains __________ percent thorium.

  14. A.
    10
    B.
    25
    C.
    60
    D.
    90

  15. Pick out the wrong statement.

  16. A.
    α-particle emission from a radioactive element makes it electrically negative.
    B.
    β-particle emission from a radioactive element makes it electrically positive.
    C.
    A radioactive element having a half life period of 20 years will completely disintegrated in 40 years.
    D.
    The disintegration constant of a radioactive isotope is independent of pressure, temperature or concentration.

  17. Percentage of the heavy water in ordi water is around

  18. A.
    0.015
    B.
    7.54
    C.
    0.71
    D.
    32.97

  19. One 'amu' is equivalent to

  20. A.
    9.31 Mev
    B.
    931 eV
    C.
    931 MeV
    D.
    931 J