Nuclear Science Quiz 2 (25 MCQs)

Quiz Instructions:

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1. _____ Is the attractive force that holds a nucleus together

2. Which of the following is not a naturally occurring nuclear fuel?

3. Which particle is most harmful to a human

4. Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of _____ percent of U-235 (i.e. fissile material).

5. Nucleus atom is made up of

6. Extraction of uranium from its ore is done using _____ methods.

7. _____ is the splitting of an atom's nucleus into two smaller nuclei

8. _____ Place the following events in sequence:A) Uranium atoms split; B) Steam powers turbines; C) Fuel rods heat up

9. Thorium can be converted into U-233 in a _____ reactor.

10. The amount of a radioactive material (having a half life of 100 years) remaining after 400 years will be _____ of its original weight.

11. A fast breeder reactor employs

12. Which of the following is not used as a nuclear fuel cladding material?

13. In gamma emission, change in nucleon number is

14. Which of the following types of nuclear reactors is most prone to radioactive hazards?

15. _____ moderator is used in a fast breeder reactor.

16. Nucleus gives off Beta particles when it _____

17. Candu reactor is a _____ nuclear reactor.

18. At higher energy, bodies have

19. A negative effect of nuclear fusion is _____

20. Fusion produces _____ nuclei.

21. The mass number of an element is not changed, when it emits _____ radiations.

22. Nuclear fusion naturally occurs in?

23. Percentage of natural uranium present in uranium ore found in Jadugoda (Jharkhand) is

24. Coolant present in the primary circuit of a pressurised water reactor is high pressure

25. Function of control rod in a nuclear reactor is to control