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- Question
The number of neutrons in the nucleus of Uranium-233 (92U233) is
Options- A. 141
- B. 92
- C. 233
- D. 325
- Correct Answer
- 141
- 1. Function of control rod in a nuclear reactor is to control
Options- A. temperature
- B. pressure
- C. fuel consumption
- D. absorption of neutrons Discuss
- 2. The main ore of thorium is
Options- A. pitchblende
- B. monazite sand
- C. limonite
- D. galena Discuss
- 3. Neutrons have mass approximately equal to that of __________ atoms.
Options- A. hydrogen
- B. helium
- C. deuterium
- D. none of these Discuss
- 4. Heavy water is preferred over ordinary water as a coolant, because it.
Options- A. acts both as an efficient coolant as well as a moderator.
- B. can be heated to a higher temperature without pressurizing.
- C. is less prone to radiation damage.
- D. all (a), (b) and (c). Discuss
- 5. "Critical mass" is the minimum mass of nuclear fissile material required for the
Options- A. sustainment of chain reaction.
- B. power generation on commercial scale.
- C. economic power generation.
- D. none of these. Discuss
- 6. Commercial power generation from fusion reactor is not yet possible, because
Options- A. it is difficult to control nuclear fusion reaction.
- B. the fuel required (i.e., deuterium & tritium) is scarce.
- C. it is difficult to initiate fusion reaction.
- D. quantity of fuel required for initiating fusion reaction is prohibitively high. Discuss
- 7. Molten sodium is used as a coolant in a fast breeder reactor, because of its
Options- A. excellent moderating properties.
- B. neutron breeding capability.
- C. faster heat removal capability from the core.
- D. capability to increase the reaction rate in the core. Discuss
- 8. Extraction of uranium from its ore is done using __________ methods.
Options- A. electrometallurgical
- B. pyrometallurgical
- C. chemical
- D. physical beneficiation Discuss
- 9. Pick out the wrong statement.
Options- A. Atoms with same number of nucleons but different number of protons are called isobars.
- B. Atoms with same number of protons but different number of nucleons are called isoters.
- C. Out of ?, ?, and ?-rays, the one having maximum penetration power are ?-rays.
- D. The product formed by emission of ?-particle has mass number less by 4 units than the parent nuclide. Discuss
- 10. U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about __________ percent.
Options- A. 85
- B. 50
- C. 3
- D. 97 Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: absorption of neutrons
Correct Answer: monazite sand
Correct Answer: hydrogen
Correct Answer: all (a), (b) and (c).
Correct Answer: sustainment of chain reaction.
Correct Answer: it is difficult to control nuclear fusion reaction.
Correct Answer: faster heat removal capability from the core.
Correct Answer: chemical
Correct Answer: Atoms with same number of protons but different number of nucleons are called isoters.
Correct Answer: 3
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