engineering recuitment HPCL Engineer Mock Test 2024 Thermodynamics Properties of Pure Substances Determination of Dryness Fraction of Steam
An 80-L vessel contains 4 kg of refrigerant-134 a at a pressure of 160 kPa. Determine the quality of the refrigerant.
Properties of refrigerant-134 a at 160 kPa is given as:
Tsat = -15.60°C, vf = 0.0007437 m3/kg, vg = 0.12348 m3/kg, hf = 31.21 kJ/kg, hfg = 209.90 kJ/kg1
Refrigerant is in the saturated liquid state
2
Refrigerant is in the saturated vapour state
3
Refrigerant is in the superheated vapour state
4
Refrigerant is in the saturated mixture region