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- Question
Fast breeder reactors do not
Options- A. use Th-232 as fissile fuel.
- B. convert fertile material to fissile material.
- C. use fast neutrons for fission.
- D. use molten sodium as coolant.
- Correct Answer
- use Th-232 as fissile fuel.
- 1. In a nuclear explosion, the energy is released primarily in the form of __________ energy-
Options- A. potential
- B. thermal
- C. kinetic
- D. electrical Discuss
- 2. Which of the following is artificially produced as it does not occur in nature?
Options- A. Uranium-235
- B. Uranium-233
- C. Plutonium-239
- D. Both (b) and (c) Discuss
- 3. Out of the followingplaces, a nuclear power plant is not located at
Options- A. Talcher (Orissa)
- B. Kaiga (Karnataka)
- C. Rawatbhata (Rajsthan)
- D. Kalpakkam (Tamilnadu) Discuss
- 4. The decrease in the atomic number is not observed in case of
Options- A. electron capture
- B. ?-emission
- C. ?-emission
- D. positron emission Discuss
- 5. 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
- 6. The atomic number of an element is equal to the number of __________ present in its atom.
Options- A. neutrons
- B. electrons
- C. protons
- D. either (b) or (c) Discuss
- 7. Heat is generated in a nuclear reactor (thermal) by
Options- A. combustion of a nuclear fuel e.g. uranium.
- B. fusion of atoms of uranium.
- C. absorption of neutrons in uranium atoms.
- D. fission of U-235 by neutrons. Discuss
- 8. The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be __________ percent.
Options- A. 3.125
- B. 6.25
- C. 12.50
- D. 25 Discuss
- 9. An electron has a mass that is approximately __________ that of the proton.
Options- A. 1836 (approximately)
- B. 1/1836 (approximately)
- C. 1
- D. ? Discuss
- 10. The time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years.
Options- A. 24
- B. 18
- C. 6
- D. 36 Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: kinetic
Correct Answer: Both (b) and (c)
Correct Answer: Talcher (Orissa)
Correct Answer: ?-emission
Correct Answer: none of these.
Correct Answer: either (b) or (c)
Correct Answer: fission of U-235 by neutrons.
Correct Answer: 6.25
Correct Answer: 1/1836 (approximately)
Explanation:
An electron has a mass that is approximately 1/1836.15267245(75) that of the proton.
Correct Answer: 18
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