Nuclear Reactors — Prelims Strategy

Prelims Strategy

For Prelims, a strong grasp of factual details related to nuclear reactors is paramount. Focus on the 'what' and 'how'. Begin by understanding the fundamental working principle of nuclear fission and the role of each core component: fuel (type, enrichment), moderator (material, purpose), coolant (material, function), and control rods (material, action).

Create concise tables comparing the main reactor types (PWR, BWR, PHWR, FBR, AHWR) based on their moderator, coolant, fuel, and key operational characteristics. Pay special attention to India's indigenous reactors (PHWR-700, AHWR-300) and major projects (Kudankulam, Kalpakkam PFBR), knowing their specific reactor types and foreign collaborations if any.

Memorize the stages of India's three-stage nuclear program and the reactor types associated with each stage. Be prepared for questions on recent developments, such as new reactor units, SMRs, or policy announcements, as these often appear as current affairs hooks.

Practice MCQs that test conceptual understanding and factual recall, especially those designed to trap aspirants by mixing characteristics of different reactor types.