Discussion
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- Question
The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.
Options- A. 1100
- B. 2200
- C. 3300
- D. 4400
- Correct Answer
- 2200
- 1. Absorption/scattering cross-section of an element is expressed in "barn", which is equivalent to
Options- A. 10-24 cm2
- B. 10-12 cm
- C. 1 Angstrom
- D. 10-24 cm Discuss
- 2. Fuel for a nuclear reactor (thermal) is
Options- A. uranium
- B. plutonium
- C. radium
- D. none of these Discuss
- 3. Uranium ore is currently mined & concentrated at
Options- A. Jadugoda
- B. Ghatsila
- C. Khetri
- D. Alwaye Discuss
- 4. Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material).
Options- A. 15
- B. 45
- C. 65
- D. 85 Discuss
- 5. Thermal neutrons which are used to cause the fission of U-235 have energy __________ eV.
Options- A. < 0.025
- B. > 1
- C. 1-25
- D. > 200. Discuss
- 6. Specific gravity of uranium and plutonium is about
Options- A. 9
- B. 13
- C. 19
- D. 27 Discuss
- 7. Radioactive decay is a __________ change.
Options- A. chemical
- B. nuclear
- C. physical
- D. none of these Discuss
- 8. Which of the following is not used as a nuclear fuel cladding material?
Options- A. Zircalloy
- B. Cadmium
- C. Ceramics
- D. Stainless steel Discuss
- 9. Which one is radioactive in nature?
Options- A. Helium
- B. Deuterium
- C. Heavy hydrogen
- D. Tritium Discuss
- 10. Thorium metal
Options- A. resembles steel in appearance.
- B. is less hard (in the range of silver).
- C. is highly ductile.
- D. all (a), (b) and (c). Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: 10-24 cm2
Correct Answer: uranium
Correct Answer: Jadugoda
Correct Answer: 85
Correct Answer: < 0.025
Correct Answer: 19
Correct Answer: nuclear
Correct Answer: Cadmium
Correct Answer: Tritium
Correct Answer: all (a), (b) and (c).
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