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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.

4
43836
3
43894

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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
Electrons
Neutrons
Protons

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Nuclear Power Engineering
Research reactors are normally meant for

Accelerating the neutrons
None of these
Producing high neutron flux 10¹²-10¹³ neutrons/cm², sec and studying the effect of neutron bombardment on dif ferent materials
Power generation

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Nuclear Power Engineering
Which of the following is a fuel for a fusion reactor (thermonuclear reactor)?

Thorium
U-233
Heavy water
Deuterium and tritium

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Nuclear Power Engineering
The radioisotope used to study the thyroid gland is

Carbon
Iodine
Cobalt
Iron

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Nuclear Power Engineering
Percentage of the heavy water in ordi water is around

0.71
32.97
0.015
7.54

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