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Nuclear Power Engineering problems

  • 1. 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
  • 2. 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
  • 3. Nuclear reactors are provided with shield to guard against the emission of mainly __________ rays.

  • Options
  • A. X
  • B. ? and ?
  • C. neutrons & gamma
  • D. infrared
    • Discuss
  • 4. Percentage of the heavy water in ordi water is around

  • Options
  • A. 0.015
  • B. 7.54
  • C. 0.71
  • D. 32.97
    • Discuss
  • 5. Plutonium

  • Options
  • A. is recovered from spent fuel from thermal nuclear reactor.
  • B. has much lower melting point (640°C ) compared to thorium (1690°C).
  • C. both (a) and (b).
  • D. neither (a) nor (b).
    • Discuss
  • 6. Both tritium and deuterium have the same number of

  • Options
  • A. neutrons
  • B. electrons
  • C. protons
  • D. nucleons
    • Discuss
  • 7. In a homogeneous nuclear reactor, the __________ are mixed together.

  • Options
  • A. fuel & coolant
  • B. fuel & moderator
  • C. coolant & moderator
  • D. none of these
    • Discuss
  • 8. The half life period of a radioactive element depends upon the

  • Options
  • A. temperature
  • B. pressure
  • C. amount of element present
  • D. none of these
    • Discuss
  • 9. The mass number of an element is equal to the number of __________ in the nucleus.

  • Options
  • A. electrons
  • B. neutrons
  • C. protons
  • D. neutrons plus protons (i.e., nucleons)
    • Discuss
  • 10. The radioisotope used to study the thyroid gland is

  • Options
  • A. iodine
  • B. cobalt
  • C. iron
  • D. carbon
    • Discuss

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