Discussion
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- Question
Water is a better coolant than a gas (like CO2, He, N2 etc.), because it
Options- A. is a better neutron moderator as well.
- B. requires comparatively smaller pumps and heat exchanger for a given heat transfer rate.
- C. has a better heat transfer characteristics, and it can be pressurised to attain a high temperature.
- D. all (a), (b) and (c).
- Correct Answer
- all (a), (b) and (c).
- 1. The size of an atom is of the order of one
Options- A. °Angstrom
- B. fermi
- C. micron
- D. mm Discuss
- 2. Pick out the correct statement.
Options- A. Loss of electrons from neutral atoms produces negative ions.
- B. The radius of nucleus & atomic size are of the order of 10-12 cm & 10-8 cm respectively.
- C. Gain of electrons by neutral atoms form cations.
- D. Proton to neutron ratio in a stable nucleus is 2 : 1. Discuss
- 3. Pick out the correct statement.
Options- A. Positron is the antiparticle of electron.
- B. In ?-decay, the ratio of neutron to proton decreases.
- C. Ionising power of ?-rays is higher than that of ?-rays.
- D. Speed of ?-rays is more than that of ?-rays. Discuss
- 4. Solar energy results from __________ reaction.
Options- A. fission
- B. combustion
- C. thermonuclear
- D. none of these Discuss
- 5. Which of the following accounts for the maximum energy release in the nuclear fission process?
Options- A. Kinetic energy of fission products
- B. Radioactive decay of fission products
- C. Instantaneous release of ?-rays
- D. Kinetic energy of neutrons Discuss
- 6. Energy produced in the nuclear fission is of the order of __________ MeV.
Options- A. 20
- B. 200
- C. 1000
- D. 2000 Discuss
- 7. Net efficiency of ordinary light water cooled nuclear reactor is about __________ percent.
Options- A. 32
- B. 52
- C. 72
- D. 88 Discuss
- 8. Liquid metal (e.g, . molten sodium) is preferred as a coolant in case of a/an __________ reactor.
Options- A. homogeneous
- B. graphite moderated
- C. fast breeder
- D. enriched uranium (3% U-235) fuelled Discuss
- 9. Out of the following places, heavy water plant is not located at
Options- A. Baroda
- B. Ramagundam
- C. Talcher
- D. Tuticorin Discuss
- 10. Coolant used in a boiling water reactor is
Options- A. hydrogen gas
- B. water
- C. steam
- D. a mixture of water & steam Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: °Angstrom
Correct Answer: The radius of nucleus & atomic size are of the order of 10-12 cm & 10-8 cm respectively.
Correct Answer: Positron is the antiparticle of electron.
Correct Answer: thermonuclear
Correct Answer: Kinetic energy of fission products
Correct Answer: 200
Correct Answer: 32
Correct Answer: fast breeder
Correct Answer: Ramagundam
Correct Answer: a mixture of water & steam
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