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- Question
Plutonium
Options- A. is recovered from spent fuel from thermal nuclear reactor.
- B. has much lower melting point (640°C ) compared to thorium (1690°C).
- C. both (a) and (b).
- D. neither (a) nor (b).
- Correct Answer
- both (a) and (b).
- 1. Percentage of the heavy water in ordi water is around
Options- A. 0.015
- B. 7.54
- C. 0.71
- D. 32.97 Discuss
- 2. Nuclear reactors are provided with shield to guard against the emission of mainly __________ rays.
Options- A. X
- B. ? and ?
- C. neutrons & gamma
- D. infrared Discuss
- 3. The specific heats of three gaseous coolants namely H2, He and CO2 in the increasing order are
Options- A. CO2, He, H2
- B. CO2, H2, He
- C. H2, He, CO2
- D. H2, CO2, He Discuss
- 4. A fast breeder reactor
Options- A. uses natural uranium as fuel.
- B. does not require a moderator.
- C. both (a) and (b).
- D. neither (a) nor (b). Discuss
- 5. In ?-decay of radioactive material, the ratio of neutron to proton
Options- A. increases.
- B. remains same.
- C. decreases.
- D. is unpredictable; may increase or decrease. Discuss
- 6. Both tritium and deuterium have the same number of
Options- A. neutrons
- B. electrons
- C. protons
- D. nucleons Discuss
- 7. In a homogeneous nuclear reactor, the __________ are mixed together.
Options- A. fuel & coolant
- B. fuel & moderator
- C. coolant & moderator
- D. none of these Discuss
- 8. The half life period of a radioactive element depends upon the
Options- A. temperature
- B. pressure
- C. amount of element present
- D. none of these Discuss
- 9. The mass number of an element is equal to the number of __________ in the nucleus.
Options- A. electrons
- B. neutrons
- C. protons
- D. neutrons plus protons (i.e., nucleons) Discuss
- 10. The radioisotope used to study the thyroid gland is
Options- A. iodine
- B. cobalt
- C. iron
- D. carbon Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: 0.015
Correct Answer: neutrons & gamma
Correct Answer: CO2, He, H2
Correct Answer: does not require a moderator.
Correct Answer: decreases.
Correct Answer: neutrons
Correct Answer: fuel & moderator
Correct Answer: none of these
Correct Answer: neutrons plus protons (i.e., nucleons)
Correct Answer: iodine
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