Chain Reaction and Nuclear Reactors MCQ

Test your knowledge with important Chain Reaction and Nuclear Reactors MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Chain Reaction and Nuclear Reactors MCQs at Bissoy

• The first underground nuclear test was conducted by India at _____________
  ক

  Pokhran

  খ

  Kalpakkam

  গ

  Jaisalmer

  ঘ

  Narora
• Fuel for a nuclear reactor (thermal) is _____________
  ক

  Uranium

  খ

  Plutonium

  গ

  Radium

  ঘ

  None of the mentioned
• Enrichment of uranium is done to increase the concentration of __________ in the natural uranium.
  ক

  U-235

  খ

  U-233

  গ

  U-238

  ঘ

  PU-239
• Which is the most commonly used nuclear fuel in boiling water reactor?
  ক

  enriched uranium

  খ

  plutonium

  গ

  natural uranium

  ঘ

  monazite sand
• Which is radioactive in nature?
  ক

  Helium

  খ

  Deuterium

  গ

  Tritium

  ঘ

  Heavy Hydrogen
• The half-life period of a radioactive element depends on its __________
  ক

  temperature

  খ

  pressure

  গ

  amount

  ঘ

  none of the mentioned
• A fertile material is the one, that can be __________
  ক

  converted into fissile material on absorption of neutron

  খ

  fissioned by either slow or fast neutrons

  গ

  fissioned by slow (thermal) neutrons

  ঘ

  fissioned by fast neutrons
• Emission of β-particles during radioactive decay of a substance is from __________
  ক

  nucleus

  খ

  innermost shell

  গ

  outermost shell

  ঘ

  none of the mentioned
• Main source of __________ is monazite sand.
  ক

  Uranium

  খ

  Polonium

  গ

  Halfnium

  ঘ

  Thorium
• Nuclides having the same atomic number are termed as?
  ক

  Isobars

  খ

  Isotones

  গ

  Isotopes

  ঘ

  Isomers
• __________ moderator is used in a fast breeder reactor.
  ক

  Heavy water

  খ

  Graphite

  গ

  No

  ঘ

  Beryllium
• Thermal nuclear reactors using enriched uranium as fuel contains a maximum of __________ percent fissile material i.e. U-235.
  ক

  1

  খ

  2

  গ

  3

  ঘ

  6
• The time required for half of the __________ of a radioactive isotope to decay is called its half-life.
  ক

  neutron

  খ

  electron

  গ

  proton

  ঘ

  nuclei
• The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element?
  ক

  Z

  খ

  A

  গ

  A+Z

  ঘ

  A-Z