Determining Relative Humidity and Humidity Ratio of Moist Air, Assignments of Refrigeration and Air Conditioning

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What is the relative humidity of moist air having a dry-bulb temperatureof 80°F and a wet-bulb temperature of 72°F.

Moist air exists at 80°F dry bulb and 60°F dew point. Determine the Moist air exists at 80relative humidity.

°F dry^ bu

ulb andulb anulb a

What is the dry-bulb temperature of air having a relative humidity of 76 percent and a dew-point temperature of 66°F?

What is the dew-point temperature of air having a dry-bulb temperature of 80°F and a relative humidity of

^50 percent.

What is the wet-bulb temperature corresponding to 72°F dry bulb and 56°F dew point?

1. Determine the specific volume of the mixture of air and vapor in cu.m per kg.of dry air having the mixture condition of 35°C, and Humidity ratio of 0.017 kg

/kgat the barometric pressure of 95kPavda^

2. Determine the specific volume of the mixture of air and vapor in cu.m perkg.of dry air having the mixture condition of 35°C, and Humidity ratio of 0.017 kg

/kgat the barometric pressure of 95kPavda^

3. Calculate the humidity Ratio of air at 65 percent relative humidity and 30 degrees Centigrade at 101.325kPa barometric pressure.^ 4. Air at 36°C and pressure of 101.2 kPa has a density of 1.08 kg/m

4. Find

the humidity ratio of air.