Answer :
Final answer:
A high-pressure boiler has its safety valve set above 150 PSI to prevent damage or explosion. The safety valve opens and releases excess pressure if it exceeds the set value.
Explanation:
A high-pressure boiler has its safety valve set above 150 PSI. A safety valve is a device that releases excess pressure from a system to prevent damage or explosion. In the case of a boiler, the safety valve is set at a pressure higher than the maximum working pressure of the boiler. This ensures that if the pressure exceeds the set value, the safety valve will open and release the excess pressure.
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