Nuclear Safety MCQ — 91 Practice Questions with Answers

Q1. 1. AERB states that defence-in-depth, redundancy and diversity are inbuilt in the design of Indian nuclear power plants. 2. Indian nuclear power plants rely on backup cooling systems but do not use robust containment systems for confining radioactivity. 3. Emergency Preparedness and Response plans for nuclear power plants are tested and regularly revised. 4. AERB classifies radiological emergencies at nuclear power plants only into on-site and off-site emergencies, excluding plant emergencies. Which of the statements given above are correct?

Q2. 1. In India's civilian nuclear facilities, responsibility for ensuring safety lies solely with NPCIL. 2. AERB implements India's national plan for nuclear safety, radiation protection and nuclear security through an Integrated Management System. 3. AERB may suspend or revoke an operating licence only after a nuclear accident has occurred. 4. AERB inspectors are authorised to conduct regular inspections of licensed facilities to verify compliance. Which of the statements given above are correct?

Q3. 1. AERB's regulatory requirements for nuclear and radiation safety for nuclear power plants in India are generally technology and entity neutral. 2. AERB issues an operating licence to a nuclear power plant only after satisfactory review during siting, construction and commissioning stages. 3. India's regulatory requirements specify a comprehensive Periodic Safety Review typically every five years. 4. AERB's routine inspections may be supplemented by special or reactive inspections when events or specific activities require them. Which of the statements given above are correct?

Q4. 1. The Atomic Energy Act, 1962 was enacted mainly to regulate only medical X-ray equipment. 2. AERB is the competent authority for granting, renewal, withdrawal and revocation of consents for Nuclear and Radiation Facilities. 3. Sections 16 and 17 of the Atomic Energy Act refer to control over radioactive substance and special provisions for safety. Which of the statements given above are correct?

Q5. 1. INES is a worldwide tool for communicating the safety significance of nuclear and radiological events. 2. On INES, Levels 1-3 are called accidents and Levels 4-7 are called incidents. 3. Events without safety significance are classified as Below Scale / Level 0. Which of the statements given above are correct?