Nuclear Power Plant Multiple Choice Questions and Answers for Practice

16. Plutonium is produced

1. as basic raw material
2. by neutron irradiation of Uz
3. by neutron irradiation of throium
4. artificially

17. Reactors for propulsion applications use

1. natural uranium
2. molten lead
3. any form of uranium
4. thorium

18. Reflector in nuclear plants is used to

1. return the neutrons back into the core
2. shield the radioactivity completely
3. check polllution
4. conserve energy

19. The breeding gain in case of thermal breeder reactor as compared to fast breeder reactor is

1. same
2. lower
3. higher
4. unity

20. The coolant used in boiling water reactor is

1. Co2
2. pressurised water
3. mixture of water and steam
4. liquid metal

21. The efficiency of a nuclear power plant in comparsion to a conventional thermal power plant is

1. same
2. more
3. less
4. may be less or mote depending on size

22. The energy produced by a thermal reactor of same size as a breeder reactor is

1. almost same
2. slightly more
3. slightly less
4. much less

23. The energy required to be applied to a radioactive nucleus for the emission of a neutron is

1. 1 MeV
2. 2.4 MeV
3. 4.3 MeV
4. 7.8 MeV

24. The first nunclear power plant in India is located at

1. Kota
2. Kalapakkam
3. Tarapur
4. Baraeilly

25. The function of control rods in nuclear plants is to

1. control temperature
2. control readioactive pollution
3. control absorption of neutron
4. control fuel consumption

26. The main interest of shielding in nuclear reactor is protection against

1. X-rays
2. infra-red rays
3. a, P, and y rays
4. neutrons and gamma rays

27. The most commonly used moderator in nuclear plants is

1. heavy water
2. graphite
3. deutrium
4. graphite and concrete

28. The nuclear energy is measured as

1. MeV
2. curie
3. kWhr
4. MW

29. The process by which a heavy nucleus is splitted into two light nuclei is known as

1. splitting
2. fission
3. fusion
4. chain reaction

30. The risk of radioactive hazard is greatest in the turbine with following reactor

1. pressurised water
2. boiling water
3. gas cooled
4. liquid metal cooled