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Chemical Engineering
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Nuclear Power Engineering
Comments
Question
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.
Correct Answer
converted into fissile material on absorption of neutron.
Nuclear Power Engineering problems
Search Results
1. 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.
Show Answer
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Discuss
Correct Answer: manufacture of nuclear fuel elements/assemblies .
2. __________ moderator is used in a fast breeder reactor.
Options
A. Graphite
B. Heavy water
C. Beryllium
D. No
Show Answer
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Discuss
Correct Answer: No
3. 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).
Show Answer
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Discuss
Correct Answer: all (a), (b) and (c).
4. 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
Show Answer
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Discuss
Correct Answer: A- Z
5. 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
Show Answer
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Correct Answer: U-235
6. __________ have the same mass number, but different nuclear charge.
Options
A. Isotopes
B. Isobars
C. Isotones
D. none of these
Show Answer
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Correct Answer: Isobars
7. The half life period of a radioactive element depends on its
Options
A. temperature
B. pressure
C. amount
D. none of these
Show Answer
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Correct Answer: none of these
8. 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.
Show Answer
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Correct Answer: protect the walls of the reactor from radiation damage.
9. Thorium can be converted into U-233 in a __________ reactor.
Options
A. liquid metal cooled
B. fast breeder
C. thermal
D. swimming pool
Show Answer
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Correct Answer: fast breeder
10. 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
Show Answer
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Discuss
Correct Answer: Atomic weights
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