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- Question
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
- Correct Answer
- less atomic number
- 1. Isotopes of an element have different
Options- A. mass number
- B. electronic configuration
- C. nuclear charge
- D. chemical properties Discuss
- 2. 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
- 3. 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
- 4. A thermal nuclear reactor compared to a fast breeder reactor
Options- A. uses slower neutrons for fission.
- B. uses faster neutrons for fission.
- C. gives higher power density.
- D. requires less fuel to run at the same power level. Discuss
- 5. The phenomenon of nuclear fission is opposite to that of
Options- A. radioactive decay
- B. thermionic emission
- C. nuclear fusion
- D. combustion Discuss
- 6. 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
- 7. '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. Discuss
- 8. 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
- 9. Which of the following is the best nuclear fuel?
Options- A. Np- 239
- B. U-234
- C. Pu-239
- D. Th-236 Discuss
- 10. 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
Nuclear Power Engineering problems
Search Results
Correct Answer: mass number
Correct Answer: Candu reactor.
Correct Answer: 0.71
Correct Answer: uses slower neutrons for fission.
Correct Answer: nuclear fusion
Correct Answer: Boiling water
Correct Answer: an oxide of deuterium.
Correct Answer: Research reactor
Correct Answer: Pu-239
Correct Answer: coolant.
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