In a nuclear power plant, coolant is a substance:

1. which cools the hot, spent steam to condense it back to water
2. which transfers heat from reactor to water in heat exchanger
3. which is boiled to make steam to turn the turbine
4. which cools the generator coils to prevent their overheating.

(b) which transfers the heat from the reactor to the water in the heat exchanger

Explanation

In a nuclear power plant, coolant is a substance that transfers the heat from the reactor to the water in the heat exchanger

Liquid sodium and carbon dioxide act as 'coolants', therefore they are used in order to transfer the heat produced in the reactor by fission to the heat exchanger, for converting water into steam.

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Updated on: 10-Oct-2022

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