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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

Neutrons
Atom
Protons
Electrons

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Power Plant Engineering
The nuclear radiators produced in a reactor which must be shielded are

Electrons
Neutron and gamma rays
α, β and γ rays
None of these

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Power Plant Engineering
The unit of radioactivity is

MV
Curie
Electron volt
Electron ampere

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Power Plant Engineering
The mass number of a substance represents the sum of total number of

Protons and electrons in an atom
Neutrons and electrons in an atom
Protons and neutrons in an atom
Protons and neutrons in a nucleus

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Power Plant Engineering
Plutonium is produced

As basic raw material
Artificially
By neutron irradiation of Uz
By neutron irradiation of thorium

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Power Plant Engineering
Ideally the neutron flux in reactor should be

Uniform throughout
Zero throughout
Maximum in centre and zero at side
Maximum at side and zero in canter

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