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Nuclear Power Engineering

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

Radioactive decay
Combustion
Nuclear fusion
Thermionic emission

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Nuclear Power Engineering
Use of molten metal as a coolant in fast breeder reactor helps in

Accelerating the neutrons
Breeding neutrons
Rapid heat transfer from the core
Accelerating the reaction rate in the core

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Nuclear Power Engineering
The mass number of an element is not changed, when it emits __________ radiations.

β & γ
α, β, & γ
α & β
γ & α

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Nuclear Power Engineering
Absorption/scattering cross-section of an element is expressed in "barn", which is equivalent to

10⁻¹² cm
1 Angstrom
10⁻²⁴ cm²
10⁻²⁴ cm

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Nuclear Power Engineering
Radioactive decay of a material involves a __________ order reaction.

Third
First
Zero
Second

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Nuclear Power Engineering
Pressure in a Pressurised Water Reactor (PWR) is used for

Pressurising the water in the primary coolant circuit
None of these
Maintaining constant pressure in the primary cooling circuit under varying loads
Superheating the steam

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