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Nuclear Power Engineering

Nuclear Power Engineering
The time taken for a radioactive element to reduce to 50% of its original weight is __________ years, if its half life period is 12 years.

18
6
24
36

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Nuclear Power Engineering
Fission of U-235 on slow neutron bombardment can be represented by

92U235 + 0n1 → 56Ba143 + 36Kr90 + 3 0n1 + Q (energy)
92U235 + 0n1 → 56Ba143 + 36Kr90
92U235 + 0n1 → 56Ba143 + 36Kr90 + 3 0n1
92U235 + 0n1 → 92U236 + 3 0n1+ Q (energy)

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Nuclear Power Engineering
Heavy water is used as a moderator in a

Candu reactor
Molten sodium cooled reactor
Boiling water reactor (BWR)
Pressurised water reactor (PWR)

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Nuclear Power Engineering
The molecular weight of heavy water is

20
18
10
36

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Nuclear Power Engineering
Which of the following is present in Bhabha Atomic Research Centre (BARC) complex, Trombay (Bombay)?

Power reactor
Fast breeder reactor
Research reactor
Heavy water plant

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Nuclear Power Engineering
Specific gravity of uranium and plutonium is about

13
27
19
9

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