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Nuclear Power Engineering

Nuclear Power Engineering
Net efficiency of ordinary light water cooled nuclear reactor is about __________ percent.

72
88
52
32

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Nuclear Power Engineering
A thermal nuclear reactor compared to a fast breeder reactor

Gives higher power density
Uses slower neutrons for fission
Requires less fuel to run at the same power level
Uses faster neutrons for fission

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Nuclear Power Engineering
Ordinary water is not used as a moderator because, it

Has a low scattering cross-section
Has a low absorption cross-section
Absorbs neutrons
Does not absorb neutrons

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Nuclear Power Engineering
The half life period of a radiactive element is 100 days. After 400 days, one gm of the element will be reduced to __________ gm.

43838
43832
43834
43846

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Nuclear Power Engineering
Ceramic nuclear metals compared to solid nuclear metals have

Poorer corrosion resistance
More chances of radiation damage
Low strength at high temperature
Higher melting points

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Nuclear Power Engineering
The phenomenon of nuclear fission is opposite to that of

Nuclear fusion
Combustion
Radioactive decay
Thermionic emission

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