A pressurised water reactor (PWR) uses pressurised water as a___________________?
Correct answer: D. Coolant
- A. None of these
- B. Working fluid in power turbine
- C. Moderator
- D. Coolant
Explanation
In a PWR, pressurised water circulates through the reactor core as coolant and also serves as moderator. It does not normally enter the turbine; a separate secondary steam cycle drives the turbine.
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