Which of the following statements regarding India's 700 MW Pressurised Heavy Water Reactors (PHWRs) is/are correct?
1. They use enriched uranium as fuel and light water as a moderator.
2. The 'fleet-mode' construction strategy aims to reduce costs and construction time through standardized designs.

Question

Accepted Answer

B) 2 only — Statement 1 is incorrect: India's indigenous PHWRs, including the 700 MW units like RAPP-7, use natural uranium as fuel and heavy water (Deuterium Oxide) as both the moderator and coolant. Statement 2 is correct: the government approved ten 700 MW PHWRs in 'fleet mode' in 2017 to achieve economies of scale and faster deployment through standardization.

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