Discussion
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- Question
Which of the following undergoes fission reaction easily?
Options- A. U-235
- B. U-238
- C. Th-232
- D. none of these
- Correct Answer
- U-235
- 1. Percentage of heavy water in ordinary water is around
Options- A. 0.015
- B. 7.54
- C. 0.71
- D. 32.97 Discuss
- 2. 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
- 3. When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as
Options- A. isomers
- B. isotopes
- C. isobars
- D. isotones Discuss
- 4. Heavy water has maximum density at __________ °C.
Options- A. 4
- B. 11.6
- C. 0
- D. 18.6 Discuss
- 5. Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of
Options- A. high carbon steel.
- B. molybdenum.
- C. zircalloy.
- D. boron or cadmium. Discuss
- 6. 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
- 7. 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
- 8. Radioactive decay of a material involves a __________ order reaction.
Options- A. third
- B. second
- C. first
- D. zero Discuss
- 9. 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
- 10. 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
Nuclear Power Engineering problems
Search Results
Correct Answer: 0.015
Correct Answer: Absence of earthquake prone zone in nearby areas.
Correct Answer: isotones
Correct Answer: 11.6
Correct Answer: boron or cadmium.
Correct Answer: uranium-233
Correct Answer: Molten sodium
Correct Answer: first
Correct Answer: surrounding it by neutron reflecting material.
Correct Answer: uranium hexaflouride
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