Discussion
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- Question
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
- Correct Answer
- none of these
- 1. In a homogeneous nuclear reactor, the __________ are mixed together.
Options- A. fuel & coolant
- B. fuel & moderator
- C. coolant & moderator
- D. none of these Discuss
- 2. Both tritium and deuterium have the same number of
Options- A. neutrons
- B. electrons
- C. protons
- D. nucleons Discuss
- 3. 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). Discuss
- 4. Percentage of the heavy water in ordi water is around
Options- A. 0.015
- B. 7.54
- C. 0.71
- D. 32.97 Discuss
- 5. 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
- 6. 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
- 7. The radioisotope used to study the thyroid gland is
Options- A. iodine
- B. cobalt
- C. iron
- D. carbon Discuss
- 8. Primary purpose of a __________ nuclear reactor is to supply a high neutron flux of the order of 1013 to 1014 neutrons/cm2 second.
Options- A. research
- B. power
- C. breeder
- D. homogeneous Discuss
- 9. The most abundant isotope of natural uranium is
Options- A. 92U238
- B. 92U235
- C. 92U234
- D. none of these Discuss
- 10. Which of the following reactors is operated at high neutron flux and low power level?
Options- A. Breeder reactor.
- B. Research reactor.
- C. Heterogeneous reactor.
- D. Liquid metal (e.g., molten sodium) cooled reactor. Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: fuel & moderator
Correct Answer: neutrons
Correct Answer: both (a) and (b).
Correct Answer: 0.015
Correct Answer: neutrons & gamma
Correct Answer: neutrons plus protons (i.e., nucleons)
Correct Answer: iodine
Correct Answer: research
Correct Answer: 92U238
Correct Answer: Research reactor.
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