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Power Plant Engineering

Power Plant Engineering
A moderator generally used in nuclear power plants is

Concrete
Graphite
Heavy water
Graphite and concrete

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Power Plant Engineering
Enriched uranium may contain fissionable contents of the order of

1-99%
1-50%
1-25%
1-75%

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Power Plant Engineering
In a fission process, maximum percentage of energy is released as

Kinetic energy of neutrons
Kinetic energy of fission products
Instantaneous release of gamma rays
Gradual radioactive decay of fission products

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Power Plant Engineering
The secondary fuel used in nuclear power plants is

U₂₃₃ and Pu₂₃₈
U₂₃₅ and Th₂₃₂
U₂₃₅ and Pu₂₃₈
U₂₃₃ and Pu₂₃₉

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Power Plant Engineering
U235 will undergo fission by

High energy (fast) neutrons alone
Low energy (slow) neutrons alone
Medium energy neutrons
Either fast or slow neutrons

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Power Plant Engineering
In fast breeder reactors

Graphite is used as the moderator
Heavy water is used as the moderator
Any type of moderator can be used
Moderator is dispensed with

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