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MCQs 1: Isotopes of same elements have___________________?

same atomic number and different masses same chemical properties but different atomic numbers different masses and different atomic numbers different chemical properties and same atomic numbers same chemical properties and same atomic numbers
Answer Explanation

MCQs 2: Amongst the following, the fissionable materials are________________?

U233andPu239 U23iandPu233 U235andPu235 U238andPu239 U243andPu235
Answer Explanation

MCQs 3: The nuclear energy is measured as__________________?

MeV curie farads MW kWhr
Answer Explanation

MCQs 4: Moderator in nuclear plants is used to__________________?

reduce temperature extract heat from nuclear reaction control the reaction cause collision with the fast moving neutrons to reduce their speed moderate the radioactive pollution
Answer Explanation

MCQs 5: The most commonly used moderator in nuclear plants is___________________?

heavy water concrete and bricks graphite and concrete deutrium graphite
Answer Explanation

MCQs 6: The main interest of shielding in nuclear reactor is protection against_______________?

X-rays infra-red rays a, P, and y rays neutrons and gamma rays electrons
Answer Explanation

MCQs 7: Which of the following are ferrite materials__________________?

U233andPu239 U U238andPu239 U238andTh239 none of the above
Answer Explanation

MCQs 8: Enriched uranium is one in which__________________?

%age of U235 has been artificially in-creased %age of U has been artificially increased %age of U234 has been artificially in-creased extra energy is pumped from outside all impurities have been removed
Answer Explanation

MCQs 9: Which of the following is the heaviest________________?

neutron proton atom electron nucleus
Answer Explanation

MCQs 10: The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is________________?

same lower higher unity higher/lower depending on the size of reactor
Answer Explanation

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