A 2-m^3 rigid insulated tank initially containing saturated water vapor at 1 MPa

Question

A 2-m^3 rigid insulated tank initially containing saturated water vapor at 1 MPa is connected through a valve to a supply line that carries steam at 400C. Now the valve is opened, and steam is allowed to flow slowly into the tank until the pressure in the tank rises to 2 MPa. At this instant the tank temperature is measured to be 300C. Determine the mass of the steam that has entered and the pressure of the steam in the supply line.

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A 2-m^3 rigid insulated tank initially containing saturated water vapor at 1 MPa is connected through a valve to a supply line that carries steam at 400 degree C. Now the valve is opened, and steam is allowed to flow slowly into the tank until the pressure in the tank rises to 2 MPa. At this instant the tank temperature is measured to be 300 degree C. Determine the mass of the steam that has entered and the pressure of the steam in the supply line.

Explanation / Answer

pressure of the steam in the supply line is 9.1 MPa

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