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- Question
Molten sodium (as a coolant in fast breeder reactor)
Options- A. can't attain high temperature at normal pressure.
- B. is not at all corrosive, even at a higher temperature.
- C. is highly radioactive at elevated temperatures and can cause explosion, when it comes in contact with air or water.
- D. none of these
- Correct Answer
- is highly radioactive at elevated temperatures and can cause explosion, when it comes in contact with air or water.
- 1. Which is used as a coolant in nuclear reactor due to its high capture cross-section?
Options- A. H2
- B. N2
- C. He
- D. CO2 Discuss
- 2. Which of the following is not a naturally occurring nuclear fuel?
Options- A. Uranium-238
- B. Thorium-233
- C. Plutonium-239
- D. None of these Discuss
- 3. Thorium-232 is converted into uranium-233 in a/an __________ nuclear reactor.
Options- A. thermal
- B. fast breeder
- C. heavy water moderated
- D. enriched uranium Discuss
- 4. Fission of U-235 on slow neutron bombardment can be represented by
Options- A. 92U235 + 3 ?1 → 56Ba143 + 36Kr90
- B. 92U235 + 0n1 → 56Ba143 + 36Kr90 + 3 0n1
- C. 92U235 + 0n1 → 56Ba143 + 36Kr90 + 3 0n1 + Q (energy)
- D. 92U235 + 0n1 → 92U236 + 30n1+ Q (energy) Discuss
- 5. The second underground nuclear test was conducted by India at
Options- A. Jaisalmer
- B. Pokhran
- C. Kalpakkan
- D. Narora Discuss
- 6. Commercial power generation from fusion reactor is not yet possible, because
Options- A. it is difficult to control fusion reaction.
- B. the fuel required (e.g. deuterium and tritium) is scarce.
- C. it is difficult to initiate fusion reaction.
- D. quantity of fuel required for initiating fusion reaction is prohibitively high. Discuss
- 7. Spent fuel from the nuclear thermal reactor contains
Options- A. fission products
- B. plutonium
- C. unused fuel
- D. all (a), (b) & (c) Discuss
- 8. The atomic number of a radioactive element is not changed, when it emits __________ rays.
Options- A. ?
- B. ?
- C. ?
- D. ? & ? Discuss
- 9. Gas cooling as compared to water cooling of nuclear reactors
Options- A. can not attain a high temperature.
- B. is more efficient as gas has a higher specific heat.
- C. can produce only saturated steam for feeding to power turbine.
- D. none of these. Discuss
- 10. The decrease in the atomic number is not observed in case of
Options- A. electron capture
- B. ?-emission
- C. ?-emission
- D. positron emission Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: H2
Correct Answer: Plutonium-239
Correct Answer: fast breeder
Correct Answer: 92U235 + 0n1 → 56Ba143 + 36Kr90 + 3 0n1 + Q (energy)
Correct Answer: Pokhran
Correct Answer: it is difficult to control fusion reaction.
Correct Answer: all (a), (b) & (c)
Correct Answer: ?
Correct Answer: none of these.
Correct Answer: ?-emission
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