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  • Question
  • The emission of an a-particle causes the resultant nucleus to have


  • Options
  • 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.

  • Correct Answer
  • more atomic weight and less atomic number. 


  • Nuclear Power Engineering problems


    Search Results


    • 1. The molecular weight of heavy water is

    • Options
    • A. 10
    • B. 18
    • C. 20
    • D. 36
    • Discuss
    • 2. Pick out the wrong statement.

    • Options
    • A. The disintegration rate of a radioactive substance can not be increased by heating it.
    • B. Electrons have negligible mass and unit negative change.
    • C. Deuterium atom has one proton and two neutrons in its nucleus.
    • D. Cadmium is capable of absorbing neutrons.
    • Discuss
    • 3. Which of the following is a fuel for a fusion reactor (thermonuclear reactor)?

    • Options
    • A. Deuterium and tritium
    • B. U-233
    • C. Thorium
    • D. Heavy water
    • Discuss
    • 4. Which is not a fissile nuclear material?

    • Options
    • A. U-233
    • B. U-235
    • C. U-238
    • D. Pu-239
    • Discuss
    • 5. Biological shield is provided in a nuclear power reactor to protect the __________ from radiation damage.

    • Options
    • A. fuel elements
    • B. operating personnels
    • C. walls of the reactor
    • D. none of these
    • Discuss
    • 6. An ideal coolant for a nuclear reactor should

    • Options
    • 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.
    • Discuss
    • 7. Isotopes of an element have the same

    • Options
    • A. number of neutrons
    • B. mass number
    • C. electronic configuration
    • D. atomic weight
    • Discuss
    • 8. A heterogeneous reactor is the one, in which the moderator and the

    • Options
    • A. coolant are different materials.
    • B. coolant are present in different phases (e.g., heavy water and graphite).
    • C. fuel are present in different phases (e.g. uranium and heavy water).
    • D. none of these.
    • Discuss
    • 9. The phenomenon of nuclear fission is opposite to that of

    • Options
    • A. radioactive decay
    • B. thermionic emission
    • C. nuclear fusion
    • D. combustion
    • Discuss
    • 10. A thermal nuclear reactor compared to a fast breeder reactor

    • Options
    • A. uses slower neutrons for fission.
    • B. uses faster neutrons for fission.
    • C. gives higher power density.
    • D. requires less fuel to run at the same power level.
    • Discuss


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