Q. Which of the following can be used as coolant in nuclear reactors?
- Liquid sodium
- Helium (He) gas
- Water (H2O)
- Heavy water (D2O)
Select the correct option from the codes given below:
Answer:
1, 2, 3 & 4
Notes: All of the above can be used as coolant in nuclear reactor. Recently, Unit 1 of the Kakrapar Atomic Power Station was shut down after the leakage of heavy water that is used in cooling off the nuclear reactor core.