Moist air exists at 40°C dry bulb temperature with 15°C dew point temperature. 1 (Don’t Use Psychrometric Chart, solve u

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Moist air exists at 40°C dry bulb temperature with 15°C dew
point temperature.
1 (Don’t Use Psychrometric Chart, solve using ASHRAE
thermodynamics
properties tables and equations only)
2 You have to cite all tables and the condition that you used when
you read the
number in each step
Notice that the pressure is at sea level.
Find the following:
a) Humidity ratio at saturation (Ws)
b) Actual Humidity ratio (W)
c) What is the sanity check criteria for humidity ratio? Please
perform.
showing both methods ASHRAE thermodynamics
properties tables and equations only)
ip units