MMO MTST Refrigeration Installation
MMO Soğutma Tesisatı Mühendis Yeterlilik Sınavı — MTST (Turkey)
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Exam overviewPractice session
Liquid refrigerant enters an ideal adiabatic throttling valve at h = 260 kJ/kg. At outlet pressure, saturated-liquid and saturated-vapor enthalpies are 160 and 400 kJ/kg. Neglect kinetic and potential energy changes. Using x = (h-hf)/(hg-hf), what outlet vapor mass fraction is plotted on the log p-h cycle?
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