2.19 A steam-jet ejector is used to entrain saturated water vapour at 25 kPa (H = 2618.2 kJ/kg) leaving an evaporator, by high pressure saturated steam at 1000 kPa (2778.1 kJ/kg). It is estimated that with every kg of high-pressure steam 0.75 kg of the vapour from the evaporator can be entrained. If the mixed stream leaving the ejector is at 100 kPa what is its temperature?

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