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- Question
Enrichment of uranium is done to increase the concentration of __________ in the natural uranium.
Options- A. U-238
- B. U-233
- C. U-235
- D. Pu-239
- Correct Answer
- U-235
- 1. The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then
Options- A. 3/4th of it will disintegrate in two months.
- B. it will completely disintegrate in two months.
- C. it will completely disintegrate in four months.
- D. l/8th of it will remain intact at the end of four months. Discuss
- 2. Thermal nuclear reactors using enriched uranium as fuel contains a maximum of __________ percent fissile material i.e. U-235.
Options- A. 1
- B. 2
- C. 3
- D. 7 Discuss
- 3. __________ nuclear reactor does not require a heat exchanger to supply steam to power turbine.
Options- A. Molten sodium cooled
- B. Helium cooled
- C. Boiling water
- D. Pressurised water Discuss
- 4. Which of the following ores contains maximum percentage of uranium?
Options- A. Carnotite
- B. Thorium.
- C. Rescolite
- D. Pitchblende Discuss
- 5. A fast breeder reactor employs
Options- A. graphite as moderator.
- B. water as coolant.
- C. molten sodium as coolant as well as moderator.
- D. U-235 as fuel. Discuss
- 6. The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element?
Options- A. A+Z
- B. A- Z
- C. A
- D. Z Discuss
- 7. Nuclear fuel generally used in reactors is uranium oxide instead of uranium, because the former has higher
Options- A. melting point, hence can be subjected to higher temperature.
- B. density ; hence core volume for a given power output would be smaller.
- C. resistance to effects of irradiation.
- D. all (a), (b) and (c). Discuss
- 8. __________ moderator is used in a fast breeder reactor.
Options- A. Graphite
- B. Heavy water
- C. Beryllium
- D. No Discuss
- 9. Nuclear fuel complex, Hyderabad is engaged in the job of
Options- A. manufacture of nuclear fuel elements/assemblies .
- B. processing of uranium ore.
- C. treatment of spent fuel.
- D. none of these. Discuss
- 10. A fertile material is the one, which can be
Options- A. converted into fissile material on absorption of neutron.
- B. fissioned by slow (thermal) neutrons.
- C. fissioned by fast neutrons.
- D. fissioned by either slow or fast neutrons. Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: it will completely disintegrate in two months.
Correct Answer: 3
Correct Answer: Boiling water
Correct Answer: Pitchblende
Correct Answer: U-235 as fuel.
Correct Answer: A- Z
Correct Answer: all (a), (b) and (c).
Correct Answer: No
Correct Answer: manufacture of nuclear fuel elements/assemblies .
Correct Answer: converted into fissile material on absorption of neutron.
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