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What operating pressure indicates a high-pressure boiler?

  1. 0-15 PSI

  2. 15-16 PSI

  3. 16 PSI and above

  4. Above 30 PSI

The correct answer is: 16 PSI and above

A high-pressure boiler is defined by its operating pressure, with the threshold generally set at 15 PSI. Specifically, when a boiler operates at 16 PSI or higher, it is classified as a high-pressure boiler. This classification is important as it determines the regulatory requirements and safety protocols that must be followed. Operating under high pressure typically presents greater risks and requires additional safety measures, such as more stringent inspections and maintenance protocols. Recognizing this classification helps boiler operators ensure compliance with safety regulations and effectively manage the operational risks associated with high-pressure systems.