logo

CuriousTab

CuriousTab

Discussion

Home ‣ Chemical Engineering ‣ Nuclear Power Engineering Comments
  • Question

  • 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.

  • Correct Answer
  • Positron is heavier than a proton. 

    • Nuclear Power Engineering problems

    Search Results

    • 1. 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
    • 2. 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
    • 3. 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
    • 4. The ratio of atomic radius to its nuclear radius is about

    • Options
    • A. 105
    • B. 108
    • C. 1012
    • D. 1015
      • Discuss
    • 5. The 92U238 emits an a-particle. The product is

    • Options
    • A. 90U234
    • B. 90U238
    • C. 90U236
    • D. 92U236
      • Discuss
    • 6. 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
      • Discuss
    • 7. 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
    • 8. Which of the following ores contains maximum percentage of uranium?

    • Options
    • A. Carnotite
    • B. Thorium.
    • C. Rescolite
    • D. Pitchblende
      • Discuss
    • 9. __________ 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
    • 10. 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

    Comments

    There are no comments.
Enter a new Comment




Aptitude

Engineering

Programming

Reasoning

Links

Copyright ©CuriousTab. All rights reserved.