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Engine 2014: General Subjects

Question 908 of 3,524

The disc of a relief valve has an area of 0.75 square inches (483.87 square mm) when seated, and lifts at a set point pressure of 250 psi (1723.50 kPa). When the valve lifts, the area of the disc exposed to pressure increases by 10%. At what pressure does the valve re-seat?

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