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Nuclear Power Engineering
Comments
Question
Fuel for a nuclear reactor (thermal) is
Options
A. uranium
B. plutonium
C. radium
D. none of these
Correct Answer
uranium
Nuclear Power Engineering problems
Search Results
1. Uranium ore is currently mined & concentrated at
Options
A. Jadugoda
B. Ghatsila
C. Khetri
D. Alwaye
Show Answer
Scratch Pad
Discuss
Correct Answer: Jadugoda
2. Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material).
Options
A. 15
B. 45
C. 65
D. 85
Show Answer
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Discuss
Correct Answer: 85
3. Thermal neutrons which are used to cause the fission of U-235 have energy __________ eV.
Options
A. < 0.025
B. > 1
C. 1-25
D. > 200.
Show Answer
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Discuss
Correct Answer: < 0.025
4. If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same istotope will be __________ days.
Options
A. 5
B. 10
C. 20
D. 30
Show Answer
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Discuss
Correct Answer: 10
5. The most commonly used nuclear fuel in boiling water reactor is
Options
A. enriched uranium
B. natural uranium
C. plutonium
D. monazite sand
Show Answer
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Discuss
Correct Answer: enriched uranium
6. Absorption/scattering cross-section of an element is expressed in "barn", which is equivalent to
Options
A. 10
-24
cm
2
B. 10
-12
cm
C. 1 Angstrom
D. 10
-24
cm
Show Answer
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Discuss
Correct Answer: 10
-24
cm
2
7. The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.
Options
A. 1100
B. 2200
C. 3300
D. 4400
Show Answer
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Discuss
Correct Answer: 2200
8. Specific gravity of uranium and plutonium is about
Options
A. 9
B. 13
C. 19
D. 27
Show Answer
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Discuss
Correct Answer: 19
9. Radioactive decay is a __________ change.
Options
A. chemical
B. nuclear
C. physical
D. none of these
Show Answer
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Discuss
Correct Answer: nuclear
10. Which of the following is not used as a nuclear fuel cladding material?
Options
A. Zircalloy
B. Cadmium
C. Ceramics
D. Stainless steel
Show Answer
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Discuss
Correct Answer: Cadmium
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