Three-Stage Nuclear Programme MCQ — 95 Practice Questions with Answers

Q1. Consider the following statements: 1. AHWR is designed to demonstrate advanced safety features and thorium utilisation for commercial nuclear power. 2. AHWR is described by BARC as a 500 MWe fast breeder reactor. 3. AHWR uses boiling heavy water as coolant and light water as moderator. Which of the statements given above are correct?

Q2. Consider the following statements: 1. Criticality is the point at which a sustained and controlled nuclear fission chain reaction begins. 2. At criticality, neutrons produced by fission equal those lost through absorption and leakage. 3. Criticality is the final step after a reactor has already begun commercial electricity supply. 4. The PFBR attaining criticality is linked by PIB to India’s entry into the second stage of the three-stage programme. Which of the statements given above are correct?

Q3. Consider the following statements about the second stage of India's Three-Stage Nuclear Programme: 1. Plutonium extracted from spent PHWR fuel serves as fuel for Fast Breeder Reactors. 2. Fast Breeder Reactors are part of the first stage of the nuclear programme. 3. In a Fast Breeder Reactor, uranium-238 in the blanket undergoes transmutation to produce fresh plutonium-239. Which of the statements given above are correct?

Q4. Consider the following statements about thorium irradiation and U-233 recovery milestones: 1. Thoria blanket assemblies have been irradiated in FBTR. 2. Thoria fuel rods irradiated in CIRUS have been reprocessed at BARC's Uranium Thorium Separation Facility. 3. U-233 recovered from CIRUS thoria rods has been fabricated as fuel for KAMINI reactor. 4. U-233 recovered from thoria blanket assemblies in FBTR has been used as routine PHWR coolant. Which of the statements given above are correct?

Q5. Consider the following statements: 1. The PFBR at Kalpakkam is a 700 MWe reactor. 2. Its technology development and design were indigenously done by NPCIL. 3. It was built and commissioned by the Atomic Energy Regulatory Board. Which of the statements given above are correct?