Nuclear Power Engineering problems
- 1. Enriched uranium means that, it contains
Options- A. more than 0.71% of U-235.
- B. only fertile material.
- C. only fissile material.
- D. no impurities. Discuss
Correct Answer: more than 0.71% of U-235.
- 2. Ceramic nuclear metals compared to solid nuclear metals have
Options- A. higher melting points.
- B. low strength at high temperature.
- C. more chances of radiation damage.
- D. poorer corrosion resistance. Discuss
Correct Answer: higher melting points.
- 3. Fuel for a fast breeder reactor is
Options- A. plutonium
- B. uranium
- C. radium
- D. neptunium Discuss
Correct Answer: plutonium
- 4. 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
Correct Answer: boron or cadmium.
- 5. Heavy water has maximum density at __________ °C.
Options- A. 4
- B. 11.6
- C. 0
- D. 18.6 Discuss
Correct Answer: 11.6
- 6. 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
Correct Answer: isotones
- 7. 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
Correct Answer: Absence of earthquake prone zone in nearby areas.
- 8. Percentage of heavy water in ordinary water is around
Options- A. 0.015
- B. 7.54
- C. 0.71
- D. 32.97 Discuss
Correct Answer: 0.015
- 9. Which of the following undergoes fission reaction easily?
Options- A. U-235
- B. U-238
- C. Th-232
- D. none of these Discuss
Correct Answer: U-235
- 10. 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
Correct Answer: uranium-233
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