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Nuclear Power Engineering

Nuclear Power Engineering
A pressurised water reactor (PWR) uses pressurised water as a

None of these
Moderator
Coolant
Working fluid in power turbine

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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.

Nuclei
Neutrons
Electrons
Protons

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Nuclear Power Engineering
Moderating material used in a thermal-reactor should be a

None of these
Good absorber of neutrons
Solid substance
Poor absorber of neutrons

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Nuclear Power Engineering
Percentage of heavy water in ordinary water is around

32.97
0.015
7.54
0.71

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Nuclear Power Engineering
Which of the following accounts for the maximum energy release in the nuclear fission process?

Kinetic energy of neutrons
Instantaneous release of γ-rays
Radioactive decay of fission products
Kinetic energy of fission products

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Nuclear Power Engineering
The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.

2200
4400
3300
1100

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