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Chemical Engineering :: Nuclear Power Engineering

  1. The phenomenon of nuclear fission is opposite to that of

  2. A.
    radioactive decay
    B.
    thermionic emission
    C.
    nuclear fusion
    D.
    combustion

  3. An ideal coolant for a nuclear reactor should

  4. A.
    be a good absorber of neutrons.
    B.
    be capable of attaining high temperature, only when it is pressurised.
    C.
    have high density, but low heat transfer co-efficient.
    D.
    be free from radiation damage and non-corrosive.

  5. The size of an atom is of the order of one

  6. A.
    °Angstrom
    B.
    fermi
    C.
    micron
    D.
    mm

  7. 'Light water' used as a coolant in nuclear reactor is nothing but

  8. A.
    ordinary water.
    B.
    mildly acidic (pH = 6) water.
    C.
    mildly alkaline (pH = 8) water.
    D.
    none of these.

  9. Isotopes of an element have different

  10. A.
    mass number
    B.
    electronic configuration
    C.
    nuclear charge
    D.
    chemical properties

  11. The emission of an a-particle causes the resultant nucleus to have

  12. A.
    more atomic weight and less atomic number.
    B.
    less atomic weight and less atomic number.
    C.
    less atomic weight and more atomic number.
    D.
    none of these.

  13. Solar energy results from __________ reaction.

  14. A.
    fission
    B.
    combustion
    C.
    thermonuclear
    D.
    none of these

  15. In nuclear reactions, __________ number is conserved.

  16. A.
    mass
    B.
    atomic
    C.
    both (a) & (b)
    D.
    neither (a) nor (b)

  17. The molecular weight of heavy water is

  18. A.
    10
    B.
    18
    C.
    20
    D.
    36

  19. Which of the following is not a good moderating material ?

  20. A.
    Concrete
    B.
    Boron
    C.
    18/8 stainless steel
    D.
    All (a), (b) and (c)