WBCHSE HS Vocational Power Practice Questions - West Bengal HS Vocational Examination - Power Trade Exam

In a nuclear power reactor, what is the primary function of a moderator such as heavy water or graphite?

To absorb excess neutrons to stop the chain reaction To slow down fast-moving neutrons to thermal energy levels To transfer heat from the reactor core to the steam generator To shield personnel from harmful gamma radiation

Correct Answer:

To slow down fast-moving neutrons to thermal energy levels

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