This quiz works best with JavaScript enabled. Home > Science > Physics > Nuclear Science – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Nuclear Science Quiz 3 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Nucleus atom is made up of A) Protons and neutrons. B) Protons and electrons. C) Neutrons and electrons. D) None of above. Show Answer Correct Answer: A) Protons and neutrons. 2. Extraction of uranium from its ore is done using ..... methods. A) Chemical. B) Pyrometallurgical. C) Electrometallurgical. D) Physical beneficiation. Show Answer Correct Answer: A) Chemical. 3. ..... is the splitting of an atom's nucleus into two smaller nuclei A) Nuclear fusion. B) Nuclear fission. C) Nuclear fuse. D) None of above. Show Answer Correct Answer: B) Nuclear fission. 4. ..... Place the following events in sequence:A) Uranium atoms split; B) Steam powers turbines; C) Fuel rods heat up A) A. A, B, C. B) B, A, C. C) A, C, B. D) C, A, B. Show Answer Correct Answer: C) A, C, B. 5. Thorium can be converted into U-233 in a ..... reactor. A) Thermal. B) Fast breeder. C) Swimming pool. D) Liquid metal cooled. Show Answer Correct Answer: B) Fast breeder. 6. The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be ..... of its original weight. A) 1/2. B) 1/4. C) 1/8. D) 1/16. Show Answer Correct Answer: D) 1/16. 7. A fast breeder reactor employs A) U-235 as fuel. B) Water as coolant. C) Graphite as moderator. D) Molten sodium as coolant as well as moderator. Show Answer Correct Answer: A) U-235 as fuel. 8. Chernobyl, Three Mile Island and Fukushima were all places where A) Nuclear accidents occured. B) Successful coal mining occurs. C) Carbon emissions are bad. D) Nuclear plants are operating. Show Answer Correct Answer: A) Nuclear accidents occured. 9. Which of the following is not used as a nuclear fuel cladding material? A) Ceramics. B) Zircalloy. C) Cadmium. D) Stainless steel. Show Answer Correct Answer: C) Cadmium. 10. In gamma emission, change in nucleon number is A) Zero. B) Definite. C) Increase by 1. D) Decreases by 1. Show Answer Correct Answer: A) Zero. 11. What is coming out of the tops of the cooling towers of a nuclear power plant? A) Water vapor. B) Carbon dioxide. C) Hydrogen oxide. D) Pollution. Show Answer Correct Answer: A) Water vapor. 12. Why should people get involved in the nuclear energy debate? A) Nuclear energy effects generations to come. B) Nuclear energy has more positive aspects than negatives. C) Nuclear energy's radioactive waste is such a huge problem. D) Congress needs something to do for public policy. Show Answer Correct Answer: A) Nuclear energy effects generations to come. 13. One important issue with nuclear energy is the fear of A) Rising prices. B) Carbon emissions. C) Not enough energy production. D) Nuclear contamination. Show Answer Correct Answer: D) Nuclear contamination. 14. Which of the following types of nuclear reactors is most prone to radioactive hazards? A) Gas cooled reactor. B) Boiling water reactor. C) Pressurised water reactor. D) Molten sodium cooled reactor. Show Answer Correct Answer: B) Boiling water reactor. 15. ..... moderator is used in a fast breeder reactor. A) No. B) Graphite. C) Beryllium. D) Heavy water. Show Answer Correct Answer: A) No. 16. Nucleus gives off Beta particles when it ..... A) Emits helium nucleus. B) Emits photons. C) Emits electrons. D) None of above. Show Answer Correct Answer: C) Emits electrons. 17. Candu reactor is a ..... nuclear reactor. A) Fast breeder. B) Homogeneous. C) Highly enriched uranium (85 % U-235) fuelled. D) Natural uranium fuelled heavy water cooled & moderated. Show Answer Correct Answer: D) Natural uranium fuelled heavy water cooled & moderated. 18. At higher energy, bodies have A) Zero mass. B) Small mass. C) Large mass. D) Smaller weight. Show Answer Correct Answer: C) Large mass. 19. A negative effect of nuclear fusion is ..... A) Radioactive waste. B) Air pollution. C) Greenhouse gases. D) Hard to produce due to extremely high temp/pressure requirements. Show Answer Correct Answer: D) Hard to produce due to extremely high temp/pressure requirements. 20. Fusion produces ..... nuclei. A) Same-sized. B) Smaller. C) Larger. D) All of the above. Show Answer Correct Answer: C) Larger. ← PreviousNext →Related QuizzesScience QuizzesNuclear Science Quiz 1Nuclear Science Quiz 2Nuclear Science Quiz 4Nuclear Science Quiz 5Nuclear Science Quiz 6Nuclear Science Quiz 7Nuclear Science Quiz 8Nuclear Science Quiz 9Nuclear Science Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books