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- Question
The half life period of a radioactive element depends on its
Options- A. temperature
- B. pressure
- C. amount
- D. none of these
- Correct Answer
- none of these
- 1. __________ have the same mass number, but different nuclear charge.
Options- A. Isotopes
- B. Isobars
- C. Isotones
- D. none of these Discuss
- 2. 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
- 3. 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
- 4. __________ moderator is used in a fast breeder reactor.
Options- A. Graphite
- B. Heavy water
- C. Beryllium
- D. No Discuss
- 5. 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
- 6. Thermal shield is used in high powered nuclear reactors to
Options- A. protect the walls of the reactor from radiation damage.
- B. absorb the fast neutrons.
- C. slow down the secondary neutrons.
- D. protect the fuel element from coming in contact with the coolant. Discuss
- 7. Thorium can be converted into U-233 in a __________ reactor.
Options- A. liquid metal cooled
- B. fast breeder
- C. thermal
- D. swimming pool Discuss
- 8. Which one is different for the neutral atoms of the isotopes of an element?
Options- A. Atomic weights
- B. Atomic numbers
- C. Number of protons
- D. Number of electrons Discuss
- 9. How many atoms are present in one gm-atom of an element?
Options- A. 2 x 1023
- B. 6 x 1023
- C. 6 x 1032
- D. 5 x 105 Discuss
- 10. Graphite is used in nuclear reactor as
Options- A. insulation lining of the reactor.
- B. fuel.
- C. lubricant.
- D. retarder of neutron velocity. Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: Isobars
Correct Answer: converted into fissile material on absorption of neutron.
Correct Answer: manufacture of nuclear fuel elements/assemblies .
Correct Answer: No
Correct Answer: all (a), (b) and (c).
Correct Answer: protect the walls of the reactor from radiation damage.
Correct Answer: fast breeder
Correct Answer: Atomic weights
Correct Answer: 6 x 1023
Correct Answer: retarder of neutron velocity.
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