Trane TRG-TRC003-EN 14 , a b c d

TRG-TRC003-EN 41
Quiz
14 Referring to Figure 60 and given the following conditions,
A - 44.5°F, 90 psia, 41.6 Btu/lb [6.9°C, 0.62 MPa, 96.8 kJ/kg]
B - 44.5°F, 90 psia, 108.5 Btu/lb [6.9°C, 0.62 MPa, 252.4 kJ/kg]
C - 54.5°F, 90 psia, 110.3 Btu/lb [12.5°C, 0.62 MPa, 256.6 kJ/kg]
D - 190°F, 280 psia, 128.4 Btu/lb [87.8°C, 1.93 MPa, 298.7 kJ/kg]
E - 121.5°F, 280 psia, 112.8 Btu/lb [49.7°C, 1.93 MPa, 262.4 kJ/kg]
F - 121.5°F, 280 psia, 46.2 Btu/lb [49.7°C, 1.93 MPa, 107.5 kJ/kg]
G - 107.5°F, 280 psia, 41.6 Btu/lb [41.9°C, 1.93 MPa, 96.8 kJ/kg]
H - 44.5°F, 90 psia, 22.7 Btu/lb [6.9°C, 0.62 MPa, 52.8 kJ/kg]
aHow much superheat is in this system?
bHow much subcooling is in this system?
cWhat is the refrigeration effect of this system?
dAt the inlet to the evaporator, what percentage of the refrigerant exists
as a vapor?
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Figure 60