logo

CuriousTab

CuriousTab

Discussion


Home Chemical Engineering Nuclear Power Engineering Comments

  • Question
  • Which of the following is not used as a moderator in nuclear reactor?


  • Options
  • A. Molten sodium
  • B. Light water
  • C. Beryllium
  • D. Boron hydride

  • Correct Answer
  • Molten sodium 


  • Nuclear Power Engineering problems


    Search Results


    • 1. Thorium-232 (a fertile material) on absorption of a neutron gets converted into __________ , which is a fissile material.

    • Options
    • A. thorium-233
    • B. uranium-235
    • C. uranium-233
    • D. plutonium-239
    • Discuss
    • 2. Which of the following undergoes fission reaction easily?

    • Options
    • A. U-235
    • B. U-238
    • C. Th-232
    • D. none of these
    • Discuss
    • 3. Percentage of heavy water in ordinary water is around

    • Options
    • A. 0.015
    • B. 7.54
    • C. 0.71
    • D. 32.97
    • Discuss
    • 4. Which of the following factors is the most important in the site selection for a nuclear power plant?

    • Options
    • A. Absence of earthquake prone zone in nearby areas.
    • B. Abundant availability of water.
    • C. Remotely located from residential areas.
    • D. Proximity to fuel source.
    • Discuss
    • 5. When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as

    • Options
    • A. isomers
    • B. isotopes
    • C. isobars
    • D. isotones
    • Discuss
    • 6. Radioactive decay of a material involves a __________ order reaction.

    • Options
    • A. third
    • B. second
    • C. first
    • D. zero
    • Discuss
    • 7. The critical mass of a fissionable material can be reduced by

    • Options
    • A. heating it.
    • B. cooling it.
    • C. surrounding it by neutron reflecting material.
    • D. surrounding it by neutron absorbing material.
    • Discuss
    • 8. In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous

    • Options
    • A. uranium oxide
    • B. uranium hexaflouride
    • C. uranium carbide
    • D. uranium sulphate
    • Discuss
    • 9. Uranium percentage in monazite sand is about

    • Options
    • A. 0.01
    • B. 0.25
    • C. 1.2
    • D. 7
    • Discuss
    • 10. Pick out the wrong statement.

    • Options
    • 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.
    • Discuss


    Comments

    There are no comments.

Enter a new Comment