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Of the following, which does not belong to a nuclear reactor?

Options

  1. AA turbine
  2. BA heat exchanger
  3. CA mechanism to reduce CO ₂ emission
  4. DA reaction chamber

Correct answer

C. A mechanism to reduce CO ₂ emission

Step-by-step solution

Nuclear reactors typically include a turbine, a heat exchanger, and a reaction chamber as essential parts of their operation. A mechanism to reduce CO ₂ emission is not specific to nuclear reactors since they do not produce CO ₂ during their operation.

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