📊 Physics
Q. What is the main coolant used in pressurized water reactors (PWR)?
  • (A) Carbon dioxide
  • (B) Heavy water
  • (C) Light water
  • (D) Liquid sodium
✅ Correct Answer: (C) Light water

Explanation: Pressurized water reactors use light water as both coolant and moderator.

Explanation by: Tina Singh
Pressurized water reactors use light water as both coolant and moderator.

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