The humidity ratio of the air?
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- Air (mass of dry air: 3 kg) with a relative humidity of 50% at 25 °C is supplied isobaric 30 kJ. What is the relative humidity after that?If the relative humidity at a sea-level site is 50% for a dry-bulb temperature of 80°F (26.5°C), calcu- late the moist-air enthalpy. () find theUse the tables of moist-air properties to find the enthalpy and specific volume for air at 125°F (51°C) if the humidity ratio is 0.040. (1) yois-
- Air in a room is at 35°C and 60% relative humidity saturation pressure of water at 35°C is 5.63 kPa. The humidity ratio of the air (in gram/kg of dry (RH). The pressure in the room is 0.1 MPa. The (RH), The pressure in the room is 0.1 MPa TheIn a 4m x 5m x 3m room, 30°C temperature, 100kPa pressure and 60% air at relative humidity. The specific humidity of the air, the dry bulb temperature, find the enthalpy values. Note: the values you get are on the psychrometric chart show meIf 65°F air with a 60% relative humidity is heated to 85°F, what is its relativehumidity at this new temperature?
- In a 4m x 5m x 3m room, there is air at 30°C temperature, 100kPa pressure and 60% relative humidity. Find the specific humidity, dry bulb temperature, enthalpy values of the air.Ambient air is at a pressure of 100 kPa, dry bulb temperature of 30° C and 60% relative humidity, The saturation pressure of water at 30° C is 4.24 kPa. Find the specific humidity of air (in g/kg of dry air) .Compute the Humidity Ratio of air at 88 percent rel ative humidity and 36ᵒC when the barometric pressure is 101.325kPa. Psat @ 36 ᵒC= 5.947 kPa. a.0.0337 kgvapor/kgair b.0.0383 kgvapor/kgair c.0.0339 kgvapor/kgair d.0.0340 kgvapor/kgair
- Consider a building that takes in air from outside (100% relative humidity, -10 °C), and heats it to 20 °C. What is the relative humidity inside the building assuming no other sources of water vapor?The pressure, dry bulb temperature and relative humidity of air in a room are 1 bar, 30 degree celcius and 70% respectiveley.If the saturated steam pressure at 30 degree celcius is 4.25 kPa, Find specific humidity of the room air in kg of water vapour/kg dry air ?The total volume of a new house is 685 m3. Before the heat is turned on, the air temperature inside is 10°C, and the relative humidity is 46 percent. After the air is warmed to 15°C how much water vapor must be added to the air to make the relative humidity 46 percent?