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Nuclear Power Engineering

Nuclear Power Engineering
75% of a radioactive element decays in 6 hours. Its half life period is __________ hours.

3
43836
43894
4

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Nuclear Power Engineering
__________ have the same mass number, but different nuclear charge.

Isobars
None of these
Isotones
Isotopes

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Nuclear Power Engineering
An electron has a mass that is approximately __________ that of the proton.

āˆž
1/1836 (approximately)
1
1836 (approximately)

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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
Protons
Neutrons
Electrons

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Nuclear Power Engineering
Fuel for a fast breeder reactor is

Neptunium
Uranium
Plutonium
Radium

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Nuclear Power Engineering
Heavy water (Dā‚‚O) in a nuclear reactor serves as a

Both A & B
Moderator
Neutron absorber
Coolant

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