GyanGram
ATTEMPT · SCIENCE & TECHNOLOGY · PRELIMS 2011
The function of heavy water in a nuclear reactor is to -
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The function of heavy water in a nuclear reactor is to -
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• Correct Answer: A
• Heavy water (D2O) acts as a moderator in PHWRs, slowing fast neutrons to thermal speeds to sustain the fission chain reaction.
• It has low neutron absorption, making it superior to ordinary water for natural uranium reactors.
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