logo

CuriousTab

CuriousTab

Discussion


Home Chemical Engineering Nuclear Power Engineering Comments

  • Question
  • Which of the following types of nuclear reactors is most prone to radioactive hazards?


  • Options
  • A. Pressurised water reactor
  • B. Gas cooled reactor
  • C. Molten sodium cooled reactor
  • D. Boiling water reactor

  • Correct Answer
  • Boiling water reactor 


  • Nuclear Power Engineering problems


    Search Results


    • 1. Pick out the wrong statement.

    • Options
    • A. The nucleus of a hydrogen atom is identical with a proton.
    • B. A, ?-ray particle is identical with an electron.
    • C. Mass of an electron is about 1/1800th of the lightest nucleus.
    • D. Positron is heavier than a proton.
    • Discuss
    • 2. Emission of ?-particles during radioactive decay of a substance is from

    • Options
    • A. innermost shell
    • B. nucleus
    • C. outermost shell
    • D. none of these
    • Discuss
    • 3. The number of neutrons accompanying the formation of 54Xe139 and 38Sr94 from the absorption of a slow neutron by 92U235 , followed by nuclear fission is

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 4
    • Discuss
    • 4. The time required for half of the __________ of a radioactive isotope to decay is called its half life.

    • Options
    • A. nuclei
    • B. electrons
    • C. protons
    • D. neutrons
    • Discuss
    • 5. The ratio of atomic radius to its nuclear radius is about

    • Options
    • A. 105
    • B. 108
    • C. 1012
    • D. 1015
    • Discuss
    • 6. A fast breeder reactor employs

    • Options
    • A. graphite as moderator.
    • B. water as coolant.
    • C. molten sodium as coolant as well as moderator.
    • D. U-235 as fuel.
    • Discuss
    • 7. Which of the following ores contains maximum percentage of uranium?

    • Options
    • A. Carnotite
    • B. Thorium.
    • C. Rescolite
    • D. Pitchblende
    • Discuss
    • 8. __________ nuclear reactor does not require a heat exchanger to supply steam to power turbine.

    • Options
    • A. Molten sodium cooled
    • B. Helium cooled
    • C. Boiling water
    • D. Pressurised water
    • Discuss
    • 9. Thermal nuclear reactors using enriched uranium as fuel contains a maximum of __________ percent fissile material i.e. U-235.

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. 7
    • Discuss
    • 10. The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then

    • Options
    • A. 3/4th of it will disintegrate in two months.
    • B. it will completely disintegrate in two months.
    • C. it will completely disintegrate in four months.
    • D. l/8th of it will remain intact at the end of four months.
    • Discuss


    Comments

    There are no comments.

Enter a new Comment