Question: A relief valve, which has a 3 psi blowdown, opened at 25 psi. The overpressure was 7-psi then the pressure dropped down until the valve

A relief valve, which has a 3 psi blowdown, opened at 25 psi. The overpressure was 7-psi then the pressure dropped down until the valve closed. The maximum allowable working pressureof the tank is 35 psi.

i- What is the highest pressure in the tank?

ii- How much is the accumulation?

iii- What is the pressure at which the valve closed?

iv- How much is the set pressure?

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