Question: Steam at 10 bar flows into a barrel containing (150 mathrm{~kg}) of water at (10^{circ} mathrm{C}). The final temperature of water is (25^{circ} mathrm{C}) and

Steam at 10 bar flows into a barrel containing $150 \mathrm{~kg}$ of water at $10^{\circ} \mathrm{C}$. The final temperature of water is $25^{\circ} \mathrm{C}$ and the increase in mass is $4 \mathrm{~kg}$. Calculate the dryness fraction of steam. Take $c_{p w}=4.187 \mathrm{~kJ} / \mathrm{kg} . K$

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