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- Question
Radioactivity of an isotope is expressed in
Options- A. barn
- B. MeV
- C. Curie
- D. Ergs
- Correct Answer
- Curie
- 1. Which of the following is not a good moderating material?
Options- A. Concrete
- B. Boron
- C. 18/8 stainless steel
- D. All (a), (b) and (c) Discuss
- 2. Nuclear power plant is not located at
Options- A. Talcher (Orissa)
- B. Rawatbhata (Rajasthan)
- C. Kalpakkam (Tamilnadu)
- D. Kaiga (Karnataka) Discuss
- 3. __________ gas is normally not used as a coolant in a nuclear reactor, because of its high neutron capture cross-section.
Options- A. Nitrogen
- B. Hydrogen
- C. Helium
- D. Carbon dioxide Discuss
- 4. Nuclear fuel usually used in a Boiling Water Reactor (BWR) is
Options- A. plutonium
- B. enriched uranium
- C. natural uranium
- D. thorium Discuss
- 5. Pressure in a Pressurised Water Reactor (PWR) is used for
Options- A. maintaining constant pressure in the primary cooling circuit under varying loads.
- B. superheating the steam.
- C. pressurising the water in the primary coolant circuit.
- D. none of these. Discuss
- 6. Biological shield is provided in a nuclear power reactor to protect the __________ from radiation damage.
Options- A. fuel elements
- B. operating personnels
- C. walls of the reactor
- D. none of these Discuss
- 7. Which is not a fissile nuclear material?
Options- A. U-233
- B. U-235
- C. U-238
- D. Pu-239 Discuss
- 8. Which of the following is a fuel for a fusion reactor (thermonuclear reactor)?
Options- A. Deuterium and tritium
- B. U-233
- C. Thorium
- D. Heavy water Discuss
- 9. Pick out the wrong statement.
Options- A. The disintegration rate of a radioactive substance can not be increased by heating it.
- B. Electrons have negligible mass and unit negative change.
- C. Deuterium atom has one proton and two neutrons in its nucleus.
- D. Cadmium is capable of absorbing neutrons. Discuss
- 10. The molecular weight of heavy water is
Options- A. 10
- B. 18
- C. 20
- D. 36 Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: All (a), (b) and (c)
Correct Answer: Talcher (Orissa)
Correct Answer: Nitrogen
Correct Answer: enriched uranium
Correct Answer: maintaining constant pressure in the primary cooling circuit under varying loads.
Correct Answer: operating personnels
Correct Answer: U-238
Correct Answer: Deuterium and tritium
Correct Answer: Deuterium atom has one proton and two neutrons in its nucleus.
Correct Answer: 20
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