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Nuclear Power Engineering

Nuclear Power Engineering
Graphite is used in nuclear reactor as

Fuel
Retarder of neutron velocity
Insulation lining of the reactor
Lubricant

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Nuclear Power Engineering
Uranium percentage in monazite sand is about

0.01
7
0.25
1.2

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Nuclear Power Engineering
The disintegration rate of a radioactive element

Progressively increases
Remains constant throughout
May increase or decrease depending on the material
Progressively decreases

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Nuclear Power Engineering
A moderator __________ the neutrons.

Absorbs
Accelerates
Reflects
Slows down

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

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Nuclear Power Engineering
In the nuclear reaction, 93N239 → 93Pu239 + ?; the missing particle is a/an

Position
Neutron
Electron
Proton

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