Discussion
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- Question
Radioactive decay of a material involves a __________ order reaction.
Options- A. third
- B. second
- C. first
- D. zero
- Correct Answer
- first
- 1. Which of the following is not used as a moderator in nuclear reactor?
Options- A. Molten sodium
- B. Light water
- C. Beryllium
- D. Boron hydride Discuss
- 2. Thorium-232 (a fertile material) on absorption of a neutron gets converted into __________ , which is a fissile material.
Options- A. thorium-233
- B. uranium-235
- C. uranium-233
- D. plutonium-239 Discuss
- 3. Which of the following undergoes fission reaction easily?
Options- A. U-235
- B. U-238
- C. Th-232
- D. none of these Discuss
- 4. Percentage of heavy water in ordinary water is around
Options- A. 0.015
- B. 7.54
- C. 0.71
- D. 32.97 Discuss
- 5. Which of the following factors is the most important in the site selection for a nuclear power plant?
Options- A. Absence of earthquake prone zone in nearby areas.
- B. Abundant availability of water.
- C. Remotely located from residential areas.
- D. Proximity to fuel source. Discuss
- 6. The critical mass of a fissionable material can be reduced by
Options- A. heating it.
- B. cooling it.
- C. surrounding it by neutron reflecting material.
- D. surrounding it by neutron absorbing material. Discuss
- 7. In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous
Options- A. uranium oxide
- B. uranium hexaflouride
- C. uranium carbide
- D. uranium sulphate Discuss
- 8. Uranium percentage in monazite sand is about
Options- A. 0.01
- B. 0.25
- C. 1.2
- D. 7 Discuss
- 9. Pick out the wrong statement.
Options- A. Isotopes have the same number of protons & electrons, but different number of neutrons.
- B. Hydrogen has two isotopes.
- C. In ordinary hydrogen, 1H1 and 1H2 are present in the ratio 6400:1.
- D. none of these. Discuss
- 10. Isotopes of an element have different
Options- A. mass number
- B. electronic configuration
- C. nuclear charge
- D. chemical properties Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: Molten sodium
Correct Answer: uranium-233
Correct Answer: U-235
Correct Answer: 0.015
Correct Answer: Absence of earthquake prone zone in nearby areas.
Correct Answer: surrounding it by neutron reflecting material.
Correct Answer: uranium hexaflouride
Correct Answer: 0.25
Correct Answer: Hydrogen has two isotopes.
Correct Answer: mass number
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