Nuclear Science Quiz 1 (25 MCQs)

Quiz Instructions:

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1. Chernobyl and Three Mile Island are all examples of _____

2. Nuclear power is _____ thermal power.

3. Activity is proportional to number of

4. Which of the following is a non-fissile material?

5. The type of radioactive ray that will penetrate farthest into a material is a(n) _____ It is the most dangerous radioactive ray because of this.

6. Fuel for a nuclear reactor (thermal) is

7. "Critical mass" is the minimum mass of nuclear fissile material required for the

8. Nuclear fusion reactions _____

9. The atomic mass unit is _____

10. Proton and neutron combine which gives

11. The attractive forces between nucleons are

12. The decay product of tritium (a beta emitter) is

13. A helium nucleus with two protons and two neutrons is called a(n) _____

14. The strong nuclear force _____

15. One advantage to using nuclear power is

16. The energy released by the decay of one U-235 atom will be of the order of

17. Which of the following may not need a control rod?

18. The initial energy of about electron

19. Which particle is the least strong

20. Which of these is used as moderator in nuclear reactor

21. Most stable isotope in nature is of

22. The decrease in the atomic number is not observed in case of

23. Which of the following is a short term effect of radioactive radiation on humans?

24. Mass number is _____

25. A moderator _____ the neutrons.