150cfm of saturated air at 85F dry bulb temperature is adiabatically mixed with 75cfm of air at 65F dry bulb temperature and 30% relative humidity.  The mixture dry bulb temperature is most likely:     67F     72F     75F     78F     80F

Q: The pressure, dry bulb temperature and relative humidity of air in a room are 1 bar, 30 degrees * C…

A: Giventotal pressure P=1bar=100kPaTemperature T=30oCrelative humidity ϕ=70%=0.70saturated pressure at…

Q: 3 Air at 101.325Pa barometric pressure, dry bulb temperature of 20°C and wet bulb temperature of…

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Q: TWI= TWI Saturated air leaving the cooling section of an AC system at 14 c° at a rate of 50 m³\min…

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Q: Outside air at 95°F DB and 0.0168 Ibs/lb Humidity Ratio is mixed with air returning from a room at…

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Q: In a cooling tower, the required make up water is 18.5 kg/s. Atmospheric air at 100 kPa, 25°C db,…

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Q: Air at 85°F, 1 atm, and 10% relative humidity enter an evaporative cooler operating at a steady…

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Q: Air flow at 5 kg/min, 25C and 75% relative humidity is cooled to 20C at 1 atmospheric pressure, the…

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Q: known then the other four can be found from the psychrometric chart. Example 1: Moist air at 32°C…

A: Given : The dry bulb temperature of moist air =32 °C The wet bulb temperature of moist air =24°C…

Q: During an air-conditioning process, 910 ft3 /min of conditioned air at 64 F and 33 percent relative…

A: Giveninlet temp T1=64Fϕ1=33%

Q: Moist air enters a duct at 10 °C, 80 % RH, and a volumetric flow rate of 150 m3/min. The mixture is…

A: Given: Let us consider the given data, T1=10°Cϕ1=80%V1=150 m3minT2=30°C Let's determine the…

Q: How much of a cold air stream at 18°C, 80% relative humidity should be mixed with 5.8 kg da/s of a…

A: Write the enthalpy at 18 oC and 80% Relative humidity. h1=44.22 kJ/kg Write the enthalpy at 35 oC…

Q: Air at 30 °C, 1.05 bar, and 80% relative humidity enters a dehumidifier operating at steady state.…

A: Given Data: T1=30oCP1=1.05 barϕ1=80%T2=15oCP2=1 barϕ2=95%TC=15oC∆h=100 kJ/kg   To Find: The…

Q: The cooling water entering the factory has a temperature of 28 C and when it leaves 45 C. This used…

A: A cooling tower is a type of heat exchanger in which air and water are brought into direct…

Q: The air in a room (20.7°C and 30% humidity) with a volume of 96.6 m3 must be replaced every 5…

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Q: of fresh air at 30 °C (DBT) dry bulb temperature and 50% RH is to be mixed with 800 m' /min of…

A: Given:- fresh air=300 m'/min DBT=30 degree Celsius 50%RH 800 m'/min 220C -dry bulb temperature…

Q: What is the error in per cent resulting from chart design when the heat required to heat 65°F air…

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Q: Moist air initially at standard atmospheric pressure, 15°C db, 70% relative humidity undergoes a…

A: Note: As per the policy, we can solve the first question from multiple questions. Please resubmit…

Q: Humid ambient air enters a continuous flow air conditioning unit at 102 kPa pressure, 30°C…

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Q: Outdoor air initially at 30⁰Cdb and 25⁰Cwb, is mixed with room air at 22⁰C and 50%RH. The mixture is…

A: Given data as per question td1=30 0c tw1=25 0ctd2=22 0cϕ2=50%final mixture consist of 75% of room…

Q: Calculate the amount of water vapor

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Q: A stream of air at 110°F and 10 per cent relative humidity merges with a stream at 70° and 90 per…

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Q: 150cfm of saturated air at 85F dry bulb temperature is adiabatically mixed with 75cfm of air at 65F…

A: The initial volume of  air is The initial temperature is .The volume of air mixing is The…

Q: Return air at 25°C and fresh outdoor air at 35°C is mixed in an adiabatic mixing chamber. If 22% of…

A: Temperature of returned air = 25 oC Temperature of outdoor air = 35 oC After mixing, 22% of the…

Q: 1- Saturated air leaving the cooling section of an A. C system at 14 C° at a ráte of 5o m'/min is…

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Q: . A mixture of 14.7 psia and 68°F that is 30% by weight CO₂ and 70% by weight N₂ has a partial…

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Q: A homogenous mixture of 21 kg of dry air and 0.3 kg of water vapour is contained in a tank at 24°C…

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Q: 12.81 At steady state, a moist air stream (stream 1) is mixed adiabatically with another stream…

A: Given For stream 1 T=13C P=1bar relative humidity=20% volumetric flow rate=0.3m3/s

Q: Two air streams at standard atmosphere are mixed adiabatically with the first air stream at 15°C db,…

A: To find: The dry bulb temperature of the mixed air flow. Given: The dry bulb temperature of first…

Q: A homogenous mixture of 21 kg of dry air and 0.3 kg of water vapour is contained in a tank at 24 C…

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Q: In a simple heating process, air enters a duct at a temperature of 10℃, and a relative humidity of…

A: Air conditioning: It is process in which air gets heated or cooled to maintain its properties to…

Q: coefficient? A hot air stream with a temperature of 45 C dry and 32 C humid mixed adiabatically in…

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Q: During an air- conditioning process, 1000 ft/ min of conditioned air at 70°F and 35% relative…

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Q: There are 1500 m^3/min of moist air at 35°C, 20% RH cooled until it becomes  saturated. Determine a)…

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Q: ! Required information Problem 14.014 - Specific and Relative Humidity DEPENDENT MULTI-PART PROBLEM…

A: To find: The relative humidity. Given: The mass of the dry air is ma=15 kg. The mass of the water…

Q: Using the psychometric chart , calculate the absolute humidity of air which has 50% RH and a…

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Q: Air at 15 ° C and 25 percent humidity is to be heated in two stages with intermediate saturation…

A: Given:   inlet condition, T1 = 15°C                             μ=25 % outlet condition, T2 = 45°C…

Q: 2.56 Moist air at 20°C, 1.05 bar, 85% relative humidity and a volumetric flow rate of 0.3 m/s enters…

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