Q. The critical mass of a fissionable material can be reduced by

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Q. Primary purpose of a __________ nuclear reactor is to supply a high neutron flux of the order of 10¹³ to 10¹⁴ neutrons/cm² second.

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Q. Nucleus of ₉₂U²³⁵ contains __________ protons.

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Q. Which of the following radiations is the least penetrating ?

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Q. β-rays emission in radioactive disintegration is always accompanied by the emission of

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Q. Hydrogen differs from deuterium in __________ properties.

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Q. Both tritium and deuterium have the same number of

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Q. Uranium ore is mined & concentrated in India at

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Q. Which of the following factors is the most important in the site selection for a nuclear power plant ?

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Q. A fast breeder reactor

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Q. Heavy water has maximum density at __________ °C.

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Q. Ceramic nuclear metals compared to solid nuclear metals have

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Q. Pick out the wrong statement.

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Q. Which of the following is the most harmful for the human being ?

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Q. Heavy water is preferred over ordinary water as a coolant, because it.

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Q. An element having large number of __________ is most easily subjected to nuclear fission.

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Q. Coolant used in a fast breeder reactor is

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Q. Commercial power generation from fusion reactor is not yet possible, because

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Q. Candu reactor is a __________ nuclcear reactor.

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Q. Which of the following is a non-fissile material ?

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