ASME Section III is applicable to which of the following components?

• A. Pressure vessels used in petrochemical plants
• B. Structural frames for buildings
• C. Nuclear facility components
• D. Household plumbing fixtures

Answer: (C)

ASME Section III applies to nuclear facility components. It sets design, materials, fabrication, testing, and examination requirements specifically for safety-related parts of a nuclear power plant, including the reactor coolant boundary, containment structures, and the associated piping, valves, pumps, and supports that affect safety. This focus on safety-critical nuclear components is why it is the appropriate code for these parts. Other options describe equipment outside the nuclear scope—petrochemical pressure vessels are typically under other sections of the Boiler and Pressure Vessel Code, structural frames for buildings fall under structural/building codes, and household plumbing fixtures are covered by plumbing codes rather than Section III.