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NUCLEAR POWER ENGINEERING

Nuclear Power Engineering
Which of the following ores contains maximum percentage of uranium?

Carnotite
Pitchblende
Thorium
Rescolite

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

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

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Nuclear Power Engineering
The decrease in the atomic number is not observed in case of

Electron capture
Α-emission
Positron emission
Β-emission

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Nuclear Power Engineering
The critical mass of a fissionable material can be reduced by

Heating it
Surrounding it by neutron absorbing material
Surrounding it by neutron reflecting material
Cooling it

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Nuclear Power Engineering
Nuclear fuel usually used in a Boiling Water Reactor (BWR) is

Thorium
Plutonium
Enriched uranium
Natural uranium

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