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Q3. A tank with rigid walls and a volume of 0.05 m3 initially has a two-phase...

Q3. A tank with rigid walls and a volume of 0.05 m3 initially has a two-phase liquid- vapor mixture of ammonia at a pressure of 4 bar and a quality of 10%. The tank is then heated such that the pressure is kept constant through a pressure-regulating valve that allows saturated vapor to escape. The heating continues until the quality of the mixture in the tank is 40%. Assume kinetic and potential energy changes are insignificant. Determine:

(i) The final mass of the mixture in the tank (in kg)
(ii) The amount of heat transfer (kJ) during the heating.
[Note: The working substance is not water. Use the appropriate table from the red book.]

Engineering   Mechanical-Engineering   
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