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MediumQ. No. which-reactor-uses-uranium-233-as-fuel-and-where-is-it-located

Which reactor uses Uranium-233 as fuel and where is it located?

Last Updated: 28 Jun 2026

AApsara — BARC Mumbai

BDhruva — BARC Mumbai

CCIRUS — BARC Mumbai

DKamini — IGCAR Kalpakkam

Correct Answer: Kamini — IGCAR Kalpakkam

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Your Answer: D

Explanation

The correct answer is Option D — Kamini at IGCAR Kalpakkam. Kamini (Kalpakkam Mini Reactor) was established in 1996 at Indira Gandhi Centre for Atomic Research (IGCAR) Kalpakkam Tamil Nadu. It is the only reactor in the world that uses Uranium-233 as fuel. Uranium-233 is produced from Thorium-232 in other reactors. Kamini uses light water as moderator. Option A is incorrect: Apsara is located at BARC Mumbai and uses enriched uranium not uranium-233. Option B is incorrect: Dhruva is at BARC Mumbai and uses natural uranium with heavy water moderator. Dhruva is India's largest research reactor at 100 MW thermal power. Option C is incorrect: CIRUS was at BARC Mumbai and used natural uranium with heavy water moderator. CIRUS was shut down in 2010. Kamini proves India's capability to use thorium-uranium-233 fuel cycle which is significant given India's vast thorium reserves.

Important Notes

📌 Kamini = Kalpakkam Mini Reactor (1996). 📌 Location: IGCAR Kalpakkam Tamil Nadu. 📌 Fuel: Uranium
233, Moderator: Light water. 📌 Only reactor in world using U
233 as fuel. 📌 U
233 is produced from Th

Modern Physics

Science

Answer

Kamini — IGCAR Kalpakkam

Exam Info

Asked in: SSC, Railway, Banking and other competitive exams.
Also asked in: RRB NTPC, CHSL, State PCS and online mock tests.
Topic: Modern Physics

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