Discussion
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- Question
'Heavy water' is termed as 'heavy' because it is
Options- A. denser than water.
- B. an oxide of deuterium.
- C. a heavy liquid.
- D. an oxide of heavier isotope of oxygen.
- Correct Answer
- an oxide of deuterium.
- 1. Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor?
Options- A. Molten sodium cooled
- B. CO2 gas cooled
- C. Pressurised water
- D. Boiling water Discuss
- 2. The new nucleus formed after ?-decay of a radioactive element has
Options- A. less atomic number
- B. less atomic weight
- C. more atomic number
- D. more atomic weight Discuss
- 3. Isotopes of an element have different
Options- A. mass number
- B. electronic configuration
- C. nuclear charge
- D. chemical properties Discuss
- 4. Heavy water is used as a moderator in a
Options- A. pressurised water reactor (PWR).
- B. boiling water reactor (BWR).
- C. Candu reactor.
- D. molten sodium cooled reactor. Discuss
- 5. Quantity of fissionable material (i.e. U-235) in natural uranium is __________ percent.
Options- A. 0.71
- B. 6.31
- C. 99.29
- D. 12.73 Discuss
- 6. Which of the following is present in Bhabha Atomic Research Centre (BARC) complex, Trombay (Bombay)?
Options- A. Power reactor
- B. Research reactor
- C. Fast breeder reactor
- D. Heavy water plant Discuss
- 7. Which of the following is the best nuclear fuel?
Options- A. Np- 239
- B. U-234
- C. Pu-239
- D. Th-236 Discuss
- 8. A pressurised water reactor (PWR) uses pressurised water as a
Options- A. coolant.
- B. working fluid in power turbine.
- C. moderator.
- D. none of these. Discuss
- 9. Extraction of uranium from its ore is done by __________ method.
Options- A. chemical
- B. pyrometallurgical
- C. physical beneficiation
- D. electrometallurgical Discuss
- 10. 75% of a radioactive element decays in 6 hours. Its half life period is __________ hours.
Options- A. 3/4
- B. 1/6
- C. 3
- D. 4 Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: Boiling water
Correct Answer: less atomic number
Correct Answer: mass number
Correct Answer: Candu reactor.
Correct Answer: 0.71
Correct Answer: Research reactor
Correct Answer: Pu-239
Correct Answer: coolant.
Correct Answer: chemical
Correct Answer: 3
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