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Power Plant Engineering

Power Plant Engineering
The unit of radioactivity is

Electron ampere
Electron volt
MV
Curie

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Power Plant Engineering
A nuclear reactor is said to be critical when the neutron population in the reactor core is

Decreasing from the specified value
Constant
Reduced to zero
Rapidly increasing leading to the point of explosion

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Power Plant Engineering
Gas cooled reactor uses following materials as moderator, and coolant

Heavy water, CO2
Graphite, CO2
Graphite, air
Lead, H2

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Power Plant Engineering
A fission chain reaction in uranium can be developed

Both (A) and (B)
None of these
By slowing down fast neutrons so that U₂₃₅ fission continues by slow neutron
By increasing the contents of U₂₃₅

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

Heavy water
Graphite and concrete
Graphite
Concrete

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Power Plant Engineering
Breeder reactor has a conversion ratio of

Unity
Less than unity
More than unity
Zero

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