Nuclear Fission MCQ

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

• Radioactive decay is a ________ change.
  ক

  Physical

  খ

  Chemical

  গ

  Nuclear

  ঘ

  None of the mentioned
• The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.
  ক

  1100

  খ

  2200

  গ

  3300

  ঘ

  4400
• Which of the following types of nuclear reactors is most prone to radioactive hazards?
  ক

  Gas cooled reactor

  খ

  Molten Sodium Reactor

  গ

  Boiling water reactor

  ঘ

  Pressurised water reactor
• Specific gravity of uranium and plutonium is about __________
  ক

  13

  খ

  9

  গ

  19

  ঘ

  27
• Pick out the wrong statement.
  ক

  Positron is heavier than a proton

  খ

  A, β-ray particle is identical with an electron

  গ

  The nucleus of a hydrogen atom is identical with a proton

  ঘ

  Mass of an electron is about 1/1800th of the lightest nucleus
• Thermal neutrons which are used to cause the fission of U-235 have energy __________ eV.
  ক

  >1

  খ

  <0.025

  গ

  >200

  ঘ

  1-25
• If 4 gm of a radioisotope has a half-life period of 10 days, the half-life of 2 gm of the same istotope will be __________ days.
  ক

  10

  খ

  5

  গ

  20

  ঘ

  30
• __________ nuclear reactor does not require a heat exchanger to supply steam to power turbine.
  ক

  pressurised water

  খ

  boiling water

  গ

  helium cooled

  ঘ

  molten sodium cooled
• A moderator ______ the neutrons.
  ক

  accelerates

  খ

  slows down

  গ

  blocks

  ঘ

  stops
• Thorium can be converted into U-233 in a __________ reactor.
  ক

  fast breeder

  খ

  liquid metal reactor

  গ

  curtis reactor

  ঘ

  none of the mentioned
• Which one is different for the neutral atoms of the isotopes of an element?
  ক

  Number of electrons

  খ

  Atomic weight

  গ

  Atomic number

  ঘ

  Number of Protons
• Nuclear fuel complex, Hyderabad is engaged in the job of __________
  ক

  processing of uranium ore

  খ

  manufacture of nuclear fuel elements/assemblies

  গ

  treatment of spent fuel

  ঘ

  none of the mentioned
• Which of the following is not used as a nuclear fuel cladding material?
  ক

  Cadmium

  খ

  Zircalloy

  গ

  Ceramics

  ঘ

  Stainless Steel
• What is the function of moderators in nuclear reactor?
  ক

  absorb the secondary neutrons

  খ

  slow down the secondary neutrons

  গ

  control the chain reaction

  ঘ

  none of the mentioned