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Nuclear Power Engineering

Nuclear Power Engineering
Which of the following may not need a control rod?

Fast breeder reactor
None of these
Liquid metal cooled reactor
Candu reactor

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

Decreases
Is unpredictable; may increase or decrease
Remains same
Increases

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Nuclear Power Engineering
Sodium melts (at atmospheric pressure) at a temperature of __________ °C.

98
588
58
348

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Nuclear Power Engineering
Graphite is used in nuclear reactor as

Retarder of neutron velocity
Lubricant
Insulation lining of the reactor
Fuel

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Nuclear Power Engineering
__________ gas is normally not used as a coolant in a nuclear reactor, because of its high neutron capture cross-section.

Hydrogen
Nitrogen
Helium
Carbon dioxide

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Nuclear Power Engineering
The time required for half of the __________ of a radioactive isotope to decay is called its half life.

Neutrons
Protons
Electrons
Nuclei

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