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  • Question
  • Molten sodium is used as a coolant in a fast breeder reactor, because of its


  • Options
  • A. excellent moderating properties.
  • B. neutron breeding capability.
  • C. faster heat removal capability from the core.
  • D. capability to increase the reaction rate in the core.

  • Correct Answer
  • faster heat removal capability from the core. 


  • Nuclear Power Engineering problems


    Search Results


    • 1. Commercial power generation from fusion reactor is not yet possible, because

    • Options
    • A. it is difficult to control nuclear fusion reaction.
    • B. the fuel required (i.e., deuterium & tritium) is scarce.
    • C. it is difficult to initiate fusion reaction.
    • D. quantity of fuel required for initiating fusion reaction is prohibitively high.
    • Discuss
    • 2. The number of neutrons in the nucleus of Uranium-233 (92U233) is

    • Options
    • A. 141
    • B. 92
    • C. 233
    • D. 325
    • Discuss
    • 3. Function of control rod in a nuclear reactor is to control

    • Options
    • A. temperature
    • B. pressure
    • C. fuel consumption
    • D. absorption of neutrons
    • Discuss
    • 4. The main ore of thorium is

    • Options
    • A. pitchblende
    • B. monazite sand
    • C. limonite
    • D. galena
    • Discuss
    • 5. Neutrons have mass approximately equal to that of __________ atoms.

    • Options
    • A. hydrogen
    • B. helium
    • C. deuterium
    • D. none of these
    • Discuss
    • 6. Extraction of uranium from its ore is done using __________ methods.

    • Options
    • A. electrometallurgical
    • B. pyrometallurgical
    • C. chemical
    • D. physical beneficiation
    • Discuss
    • 7. Pick out the wrong statement.

    • Options
    • A. Atoms with same number of nucleons but different number of protons are called isobars.
    • B. Atoms with same number of protons but different number of nucleons are called isoters.
    • C. Out of ?, ?, and ?-rays, the one having maximum penetration power are ?-rays.
    • D. The product formed by emission of ?-particle has mass number less by 4 units than the parent nuclide.
    • Discuss
    • 8. U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about __________ percent.

    • Options
    • A. 85
    • B. 50
    • C. 3
    • D. 97
    • Discuss
    • 9. Coolant present in the primary circuit of a pressurised water reactor is high pressure

    • Options
    • A. sub cooled water
    • B. saturated water
    • C. superheated steam
    • D. saturated steam
    • Discuss
    • 10. Nuclear power reactor located at Tarapur is of __________ type.

    • Options
    • A. fast breeder
    • B. pressurised water
    • C. boiling water
    • D. gas cooled
    • Discuss


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