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- Question
Coolant present in the primary circuit of a pressurised water reactor is high pressure
Options- A. sub cooled water
- B. saturated water
- C. superheated steam
- D. saturated steam
- Correct Answer
- saturated water
- 1. 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
- 2. 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
- 3. Extraction of uranium from its ore is done using __________ methods.
Options- A. electrometallurgical
- B. pyrometallurgical
- C. chemical
- D. physical beneficiation Discuss
- 4. 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
- 5. 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
- 6. Nuclear power reactor located at Tarapur is of __________ type.
Options- A. fast breeder
- B. pressurised water
- C. boiling water
- D. gas cooled Discuss
- 7. In the nuclear reaction, 93N239→ 94Pu239 +?; the missing particle is a/an
Options- A. electron
- B. proton
- C. neutron
- D. position Discuss
- 8. Percentage of natural uranium present in uranium ore found in Jadugoda (Jharkhand) is
Options- A. 0.1
- B. 1
- C. 3
- D. 12 Discuss
- 9. Main source of __________ is monazite sand.
Options- A. uranium
- B. polonium
- C. hafnium
- D. thorium Discuss
- 10. Secondary cooling circuit is a must in molten sodium cooled fast breeder reactor for
Options- A. achieving high degree of superheat in the steam.
- B. faster heat removal rate from the core.
- C. lowering the coolant circulation pressure.
- D. avoiding the mixing of water with radioactive sodium, as it may cause explosion. Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: 3
Correct Answer: Atoms with same number of protons but different number of nucleons are called isoters.
Correct Answer: chemical
Correct Answer: faster heat removal capability from the core.
Correct Answer: it is difficult to control nuclear fusion reaction.
Correct Answer: boiling water
Correct Answer: electron
Correct Answer: 0.1
Correct Answer: thorium
Correct Answer: avoiding the mixing of water with radioactive sodium, as it may cause explosion.
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