Fission, Fusion & Bomb Designs Exam

Click “start” to start the exam.  Only one possible answer for each question.

Created on

Nuclear Energy Basics, Part 1: Fission, Fusion and the Bomb

1 / 23

1. Which of the following is NOT true about neutrons?

2 / 23

2. What determines how chemically inert any element might be?

3 / 23

3. Which nuclear components are critical to chemical reactions?

4 / 23

4. What is the most important nuclear component needed to produce a nuclear reaction?

5 / 23

5. When a chemical or nuclear system goes from a high to a low state of energy, what is released every time?

6 / 23

6. What does the curve of binding energy measure?

7 / 23

7. What is the significance of iron on the curve of binding energy?

8 / 23

8. Which of the following describes uranium?

9 / 23

9. The discovery of what nuclear component was critical to attempts to fission elements and why?

10 / 23

10. What element was used for the first self-sustaining nuclear fission reaction and why?

11 / 23

11. The amount of energy released by the fissioning of an element:

12 / 23

12. Why and how do spontaneous neutron emissions matter to bomb designers?

13 / 23

13. What are the advantages to using plutonium to make bombs over uranium?

14 / 23

14. What happens if you fail to have enough uranium or plutonium to achieve “critical size or mass”?

15 / 23

15. How might you reduce the amounts of fissile uranium and plutonium you need to produce a nuclear explosion with a yield of one kiloton or greater?

16 / 23

16. The first nuclear weapon dropped on Japan (Little Boy):

17 / 23

17. The second nuclear weapon dropped on Japan (Fat Man):

18 / 23

18. Which of the following statements about the use of plutonium and uranium isotopes in weapons material is NOT accurate?

19 / 23

19. Tritium:

20 / 23

20. A multiple stage weapon:

21 / 23

21. A levitated pit design:

22 / 23

22. A hollow core design:

23 / 23

23. Boosted weapons:

Your score is

The average score is 70%

0%