Discussion
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- Question
Percentage of U-238 in natural uranium is around
Options- A. 0.71
- B. 99.29
- C. 0.015
- D. 29.71
- Correct Answer
- 99.29
- 1. Which is a fertile nuclear fuel?
Options- A. U-233
- B. U-235
- C. Pu-239
- D. Th-232 Discuss
- 2. 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
- 3. Which one is radioactive in nature?
Options- A. Helium
- B. Deuterium
- C. Heavy hydrogen
- D. Tritium Discuss
- 4. Which of the following is not used as a nuclear fuel cladding material?
Options- A. Zircalloy
- B. Cadmium
- C. Ceramics
- D. Stainless steel Discuss
- 5. Radioactive decay is a __________ change.
Options- A. chemical
- B. nuclear
- C. physical
- D. none of these Discuss
- 6. Atoms with same number of neutrons, but different number of nucleons are called
Options- A. isotones
- B. isobars
- C. isotopes
- D. isoters Discuss
- 7. Nuclides having the same atomic numbers are termed as
Options- A. isotopes
- B. isomers
- C. isotones
- D. isobars Discuss
- 8. silicon carbide refractories have very low
Options- A. refractoriness (< 1700°C).
- B. thermal conductivity.
- C. resistance to thermal shock.
- D. none of these. Discuss
- 9. Cold crushing strength of ordinary fireclay brick is about 950 kg/cm2 . On exposure to a temperature of about 1500°C, its crushing strength may come down to as low as __________ kg/cm2 .
Options- A. 450
- B. 250
- C. 150
- D. 65 Discuss
- 10. Which of the following is not a neutral refractory?
Options- A. Silicon carbide
- B. Magnesite
- C. Chromite
- D. Graphite Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: Th-232
Correct Answer: all (a), (b) and (c).
Correct Answer: Tritium
Correct Answer: Cadmium
Correct Answer: nuclear
Correct Answer: isotones
Correct Answer: isomers
Correct Answer: none of these.
Correct Answer: 65
Correct Answer: Magnesite
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