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21
Fast breeder reactors are most usable in India, because of our largest . . . . . . . . deposits.
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Answer: Option A
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22
Graphite is used in nuclear reactor as
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Answer: Option D
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23
Heavy water (D2O) in a nuclear reactor serves as a
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Answer: Option C
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24
Match List I (Material) with List II (Use) and select the correct answer:
List-I (Material) List-II (Use)
P. Graphite 1. Coolant
Q. Thorium-233 2. Moderator
R. Molten sodium 3. Fissionable material
S. Plutonium-239 4. Fissile material
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Answer: Option B
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25
Which of the following is artificially produced, as it does not occur in nature?
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Answer: Option D
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26
Positron is a/an
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Answer: Option C
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27
The most abundant isotope of natural uranium is
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Answer: Option A
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28
Which of the following nuclear materials is fissile?
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Answer: Option C
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29
Uranium is recovered from its ore (Pitchblende) by
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Answer: Option B
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30
Out of the following places, heavy water plant is not located at
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Answer: Option B
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