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Nuclear Power Engineering

Nuclear Power Engineering
Which of the following gases has very high neutron capture cross-section, making it unsuitable as a coolant in nuclear reactor?

CO₂
H₂
He
N₂

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Nuclear Power Engineering
In β-decay of radioactive material, the ratio of neutron to proton

Increases
Is unpredictable; may increase or decrease
Decreases
Remains same

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Nuclear Power Engineering
The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?

159
10000
1837
2537

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Nuclear Power Engineering
Graphite is used in nuclear reactor as

Insulation lining of the reactor
Lubricant
Retarder of neutron velocity
Fuel

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Nuclear Power Engineering
Which of the following factors is the most important in the site selection for a nuclear power plant?

Abundant availability of water
Remotely located from residential areas
Absence of earthquake prone zone in nearby areas
Proximity to fuel source

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Nuclear Power Engineering
A radioactive isotope undergoes decay with respect to time following __________ law.

Linear
Exponential
Logarithmic
Inverse square

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