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Nuclear Power Engineering

Nuclear Power Engineering
The half life period of a radioactive element depends upon the

None of these
Amount of element present
Pressure
Temperature

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Nuclear Power Engineering
Uranium is recovered from its ore (pitchblende) by

Froth floatation technique
Dissolving in water
Smelting in a furnace
Leaching with sulphuric acid

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Nuclear Power Engineering
Critical mass is the minimum mass of nuclear fissile material required for the

Economic power generation
Sustainment of chain reaction
None of these
Power generation on commercial scale

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Nuclear Power Engineering
Critical energy should be __________ the neutron binding energy of the atom in order to initiate a nuclear fission.

Either more or less
Equal to
More than
Less than

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Nuclear Power Engineering
The largest stable nucleus is

Bi-209
U-238
Pb-206
U-235

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Nuclear Power Engineering
Which of the following radiations is the least penetrating?

X-rays
γ-rays
β-rays
α-rays

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