# A vessel having a capacity of 0.6m3 contains steam at 15 bar and 250°C. The steam is blown off until

A vessel having a capacity of 0.6m3 contains steam at 15 bar and 250°C. The steam is blown off until the pressure drops to 4 bar. Then the valve is closed and vessel is cooled until the pressure falls to 3 bar. Assuming that during the blowing-off period, the entropy remains constant, determine (i) the mass of steam blown off, (ii) the quality of steam in the vessel after cooling, and (iii) the heat transferred during the cooling process B . A rigid vessel of 1 m3 volume contains steam at 19 bar and 300°C. The vessel is cooled until the steam is just dry and saturated. Calculate the
A vessel having a capacity of 0.6m3 contains steam at 15 bar and 250°C. The steam is blown off until the pressure drops to 4 bar. Then the valve is closed and vessel is cooled until the pressure falls to 3 bar. Assuming that during the blowing-off period, the entropy remains constant, determine (i) the mass of steam blown off, (ii) the quality of steam in the vessel after cooling, and (iii) the heat transferred during the cooling process B . A rigid vessel of 1 m3 volume contains steam at 19 bar and 300°C. The vessel is cooled until the steam is just dry and saturated. Calculate the mass of steam in the vessel, the final pressure, and the heat removed during the process.

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