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Power Plant Engineering

Power Plant Engineering
Half life of a radioactive isotope corresponds to the time required for half of the following to decay

Electrons
Atom
Neutrons
Protons

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Power Plant Engineering
Reflector in nuclear plants is used to

Return the neutrons back into the core
Check pollution
Shield the radioactivity completely
Conserve energy

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Power Plant Engineering
In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be

Equal to zero
Less than 1.0
Greater than 1.0
Equal to 1.0

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

Slowing down fast neutrons so that Uz fission continues by slow motion neutrons
Absorbing all neutrons
Using moderator
Accelerating fast neutrons

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

Accelerating fast neutrons
Absorbing all neutrons
Using moderator
Slowing down fast neutrons so that Uz fission continues by slow motion neutrons

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Power Plant Engineering
Superheated steam is generated in following reactor

All of the listed here
Boiling water
Pressurised water
Gas cooled

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