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MCQs 1: A nuclear fission produces energy of following order in MeV___________________?

20 200 2000 20,000 2 x 10⁵
Answer Explanation

MCQs 2: The process by which a heavy nucleus is splitted into two light nuclei is known as_________________?

splitting fission fusion disintegration chain reaction
Answer Explanation

MCQs 3: The fast breeder reactor uses the following moderator__________________?

demineralised water carbon dioxide heavy water graphite no moderator is used
Answer Explanation

MCQs 4: The mass number of a substance represents the sum of total number of___________________?

protons and neutrons in an atom protons and electrons in an atom neutrons and electrons in an atom protons and neutrons in a nucleus protons and electrons in a nucleus
Answer Explanation

MCQs 5: A nuclear fission is initiated when the critical energy as compared to neutron binding energy of the atoms is_________________?

same more less there is no such criterion none of the above
Answer Explanation

MCQs 6: Gas cooled reactor uses following materials as moderator, and coolant____________________?

graphite, C02 graphite, air heavy water, C02 lead, H2 concrete, N2
Answer Explanation

MCQs 7: In nuclear fission each neutron that causes fission releases_______________?

no new neutron at least one new neutron one new neutron more than one new neutrons many-fold neutrons
Answer Explanation

MCQs 8: Which of the following particles is the lightest__________________?

nucleus electron proton meson neutron
Answer Explanation

MCQs 9: In fast breeder reactors___________________?

any type of moderator can be used graphite is used as the moderator heavy water is used as the moderator moderator may or may not be used moderator is dispensed with
Answer Explanation

MCQs 10: Ferrite material is____________________?

the most fissionable material the basic fuel for nuclear paints basic raw material for nuclear plants the material which absorbs neutrons and undergoes spontaneous changes leading to the formation of fissionable material none of the above
Answer Explanation

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