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  • Question
  • Use of molten metal as a coolant in fast breeder reactor helps in


  • Options
  • A. rapid heat transfer from the core.
  • B. accelerating the reaction rate in the core.
  • C. breeding neutrons.
  • D. accelerating the neutrons.

  • Correct Answer
  • rapid heat transfer from the core. 


  • Nuclear Power Engineering problems


    Search Results


    • 1. Which of the following is the most harmful for the human being?

    • Options
    • A. ?-rays
    • B. X-rays
    • C. ?-rays
    • D. ultra violet rays
    • Discuss
    • 2. The main ore of uranium is

    • Options
    • A. pitchblende
    • B. monazite sand
    • C. cassiterite
    • D. chalcopyrite
    • Discuss
    • 3. H2 is a better coolant than CO2, due to its relatively

    • Options
    • A. lower density.
    • B. higher specific heat.
    • C. non-reactivity to uranium.
    • D. lower neutron capture cross-section.
    • Discuss
    • 4. Coolant used in a fast breeder reactor is

    • Options
    • A. molten sodium
    • B. heavy water
    • C. ordinary water
    • D. helium
    • Discuss
    • 5. Bhabha Atomic Research Centre (BARC) located at Trombay (near Bombay) has

    • Options
    • A. five operating research reactors (namely Apsara, Cirus Zerelina, Purnima and Dhurva).
    • B. a 420 MW nuclear power plant.
    • C. a very large capacity (100 tons/yr) heavy water plant.
    • D. all (a), (b) and (c).
    • Discuss
    • 6. A radioactive isotope undergoes decay with respect to time following __________ law.

    • Options
    • A. logarithmic
    • B. exponential
    • C. linear
    • D. inverse square
    • Discuss
    • 7. The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the

    • Options
    • A. fuel cost per unit power generated is less.
    • B. thermal efficiency of the former is higher.
    • C. maintenance cost of the former is less.
    • D. none of these.
    • Discuss
    • 8. Critical energy should be __________ the neutron binding energy of the atom in order to initiate a nuclear fission.

    • Options
    • A. equal to
    • B. less than
    • C. more than
    • D. either more or less
    • Discuss
    • 9. Which of the following is not an ore of uranium?

    • Options
    • A. Pitchblende
    • B. Kyanite
    • C. Carnotite
    • D. Rescolite
    • Discuss
    • 10. A moderator __________ the neutrons.

    • Options
    • A. slows down
    • B. absorbs
    • C. accelerates
    • D. reflects
    • Discuss


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