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Nuclear Power Engineering

Nuclear Power Engineering
β-rays emission in radioactive disintegration is always accompanied by the emission of

None of these
γ-rays
α-rays
Neutrons

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Nuclear Power Engineering
Heavy water (D₂O) in a nuclear reactor serves as a

Both A & B
Neutron absorber
Moderator
Coolant

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Nuclear Power Engineering
Uranium is recovered from its ore (pitchblende) by

Leaching with sulphuric acid
Smelting in a furnace
Froth floatation technique
Dissolving in water

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Nuclear Power Engineering
'Light water' used as a coolant in nuclear reactor is nothing but

Mildly alkaline (pH = 8) water
Ordinary water
Mildly acidic (pH = 6) water
None of these

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Nuclear Power Engineering
__________ moderator is used in a fast breeder reactor.

Graphite
Beryllium
Heavy water
No

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Nuclear Power Engineering
The number of neutrons accompanying the formation of 54Xe139 and 38Sr94 from the absorption of a slow neutron by 92U235 , followed by nuclear fission is

1
4
2
3

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