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- Question
Main source of __________ is monazite sand.
Options- A. uranium
- B. polonium
- C. hafnium
- D. thorium
- Correct Answer
- thorium
- 1. Percentage of natural uranium present in uranium ore found in Jadugoda (Jharkhand) is
Options- A. 0.1
- B. 1
- C. 3
- D. 12 Discuss
- 2. In the nuclear reaction, 93N239→ 94Pu239 +?; the missing particle is a/an
Options- A. electron
- B. proton
- C. neutron
- D. position Discuss
- 3. Nuclear power reactor located at Tarapur is of __________ type.
Options- A. fast breeder
- B. pressurised water
- C. boiling water
- D. gas cooled Discuss
- 4. 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 Discuss
- 5. 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
- 6. 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
- 7. Which of the following gases has very high neutron capture cross-section, making it unsuitable as a coolant in nuclear reactor?
Options- A. N2
- B. He
- C. CO2
- D. H2 Discuss
- 8. Bhabha Atomic Research Centre (BARC) located at Trombay (near Bombay) has
Options- A. five operating research reactors (namely Apsara, Cirus Zerelina, Purnima and Dhurva).
- B. a 420 MW nuclear power plant.
- C. a very large capacity (100 tons/yr) heavy water plant.
- D. all (a), (b) and (c). Discuss
- 9. Coolant used in a fast breeder reactor is
Options- A. molten sodium
- B. heavy water
- C. ordinary water
- D. helium Discuss
- 10. H2 is a better coolant than CO2, due to its relatively
Options- A. lower density.
- B. higher specific heat.
- C. non-reactivity to uranium.
- D. lower neutron capture cross-section. Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: 0.1
Correct Answer: electron
Correct Answer: boiling water
Correct Answer: saturated water
Correct Answer: 3
Correct Answer: avoiding the mixing of water with radioactive sodium, as it may cause explosion.
Correct Answer: N2
Correct Answer: five operating research reactors (namely Apsara, Cirus Zerelina, Purnima and Dhurva).
Correct Answer: molten sodium
Correct Answer: higher specific heat.
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