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  • Question

  • Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of


  • Options
  • A. high carbon steel.
  • B. molybdenum.
  • C. zircalloy.
  • D. boron or cadmium.

  • Correct Answer
  • boron or cadmium. 

    • Nuclear Power Engineering problems

    Search Results

    • 1. Fuel for a fast breeder reactor is

    • Options
    • A. plutonium
    • B. uranium
    • C. radium
    • D. neptunium
      • Discuss
    • 2. Ceramic nuclear metals compared to solid nuclear metals have

    • Options
    • A. higher melting points.
    • B. low strength at high temperature.
    • C. more chances of radiation damage.
    • D. poorer corrosion resistance.
      • Discuss
    • 3. Enriched uranium means that, it contains

    • Options
    • A. more than 0.71% of U-235.
    • B. only fertile material.
    • C. only fissile material.
    • D. no impurities.
      • Discuss
    • 4. Hydrogen differs from deuterium in __________ properties.

    • Options
    • A. radioactive
    • B. physical
    • C. chemical
    • D. all (a), (b) and (c)
      • Discuss
    • 5. Indian monazite sand contains __________ percent thorium.

    • Options
    • A. 10
    • B. 25
    • C. 60
    • D. 90
      • Discuss
    • 6. Heavy water has maximum density at __________ °C.

    • Options
    • A. 4
    • B. 11.6
    • C. 0
    • D. 18.6
      • Discuss
    • 7. When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as

    • Options
    • A. isomers
    • B. isotopes
    • C. isobars
    • D. isotones
      • Discuss
    • 8. Which of the following factors is the most important in the site selection for a nuclear power plant?

    • Options
    • A. Absence of earthquake prone zone in nearby areas.
    • B. Abundant availability of water.
    • C. Remotely located from residential areas.
    • D. Proximity to fuel source.
      • Discuss
    • 9. Percentage of heavy water in ordinary water is around

    • Options
    • A. 0.015
    • B. 7.54
    • C. 0.71
    • D. 32.97
      • Discuss
    • 10. Which of the following undergoes fission reaction easily?

    • Options
    • A. U-235
    • B. U-238
    • C. Th-232
    • D. none of these
      • Discuss

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