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  • Question

  • 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

  • Correct Answer
  • operating personnels 

    • Nuclear Power Engineering problems

    Search Results

    • 1. 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
      • Discuss
    • 2. Unit of radioactivity is

    • Options
    • A. barn
    • B. Fermi
    • C. Angstrom
    • D. Curie
      • Discuss
    • 3. 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
    • 4. 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
    • 5. Heavy water plant is not located at

    • Options
    • A. Kota and Baroda
    • B. Talcher (Orissa)
    • C. Tuticorin(Tamilnadu)
    • D. Korba
      • Discuss
    • 6. One 'amu' is equivalent to

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

    • Options
    • A. 92
    • B. 235
    • C. 143
    • D. 325
      • Discuss
    • 8. 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
    • 9. 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
    • 10. The specific heats of three gaseous coolants namely H2, He and CO2 in the increasing order are

    • Options
    • A. CO2, He, H2
    • B. CO2, H2, He
    • C. H2, He, CO2
    • D. H2, CO2, He
      • Discuss

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