Heavy water is used as a moderator in a _____________________?
Correct answer: A. Candu reactor
- A. Candu reactor
- B. Boiling water reactor (BWR)
- C. Pressurised water reactor (PWR)
- D. Molten sodium cooled reactor
Explanation
CANDU means Canada Deuterium Uranium and uses heavy water as its moderator. PWRs and BWRs use ordinary light water, whereas the molten-sodium reactor uses sodium rather than water.
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