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  • Question
  • Number of secondary neutron emitted on fission of an atom of U-235 by slow neutron bombardment is


  • Options
  • A. 3
  • B. 235
  • C. 200
  • D. 92

  • Correct Answer



  • Nuclear Power Engineering problems


    Search Results


    • 1. Unit of radioactivity is

    • Options
    • A. barn
    • B. Fermi
    • C. Angstrom
    • D. Curie
    • Discuss
    • 2. Nuclear power generation capacity in India is

    • Options
    • A. 3000 MW.
    • B. 10000 MW.
    • C. more than hydroelectric power generation capacity.
    • D. more than thermal power generation capacity.
    • Discuss
    • 3. Fast breeder test reactor at Kalpakkam is designed for using

    • Options
    • A. thorium as a fertile material.
    • B. U-238 as a fertile material.
    • C. helium as a coolant.
    • D. uranium ore directly as a fuel.
    • Discuss
    • 4. Heavy water plant is not located at

    • Options
    • A. Kota and Baroda
    • B. Talcher (Orissa)
    • C. Tuticorin(Tamilnadu)
    • D. Korba
    • Discuss
    • 5. A radioactive substance does not emit

    • Options
    • A. ?-ray
    • B. proton
    • C. position
    • D. ?-ray
    • Discuss
    • 6. 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
    • 7. One 'amu' is equivalent to

    • Options
    • A. 9.31 Mev
    • B. 931 eV
    • C. 931 MeV
    • D. 931 J
    • Discuss
    • 8. Nucleus of 92U235 contains __________ protons.

    • Options
    • A. 92
    • B. 235
    • C. 143
    • D. 325
    • Discuss
    • 9. In ?-decay of radioactive material, the ratio of neutron to proton

    • Options
    • A. increases.
    • B. remains same.
    • C. decreases.
    • D. is unpredictable; may increase or decrease.
    • Discuss
    • 10. A fast breeder reactor

    • Options
    • A. uses natural uranium as fuel.
    • B. does not require a moderator.
    • C. both (a) and (b).
    • D. neither (a) nor (b).
    • Discuss


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