New York Low Pressure Boiler COF Practice 2025 – All-in-One Guide to Exam Success!

Question: 1 / 495

What is the required total combined relieving capacity of power actuated relieving valves?

At least 5% above the MAWP

No less than 10% of the MAWP

The required total combined relieving capacity of power actuated relieving valves is set to be no less than 10% of the Maximum Allowable Working Pressure (MAWP) of the boiler. This requirement is based on safety standards aimed at ensuring that, in the event of an overpressure condition, the relieving devices can adequately manage and prevent dangerous situations from developing. By maintaining this minimum capacity, the system is better equipped to handle unforeseen pressure spikes, protecting both the equipment and personnel in the vicinity.

This percentage allows for a safety buffer that enables the safety valves to operate effectively in situations where the pressure may exceed normal operating levels but is still within the design specifications of the boiler. It reflects industry best practices and regulatory standards intended to enhance the safety of steam systems.

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No more than 15% of the MAWP

Equal to the boiler's capacity

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