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 the
Q: A mixture of dry-air is at atmospheric pressure of 101.325. The dry-bulb temperature is 25 C and the…
A:
Q: Air with a total pressure of 101.3 kPa, a temperature of 12 °C and a relative humidity of 75% is…
A:
Q: In air with a dry bulb temperature of 10 C and relative humidity of 90%; Find the dew point…
A:
Q: he total volume of a new house is 681 m3. Before the heat is turned on, the air temperature inside…
A: Write the expression for relative humidity.
Q: Air at 90F dry bulb (db) temperature and 30% relative humidity is cooled to 70 F db. The expected…
A:
Q: ro0my32°c RHS 65.1. Pres Saturation paessuae of ssure in oom t03 MPa water 35°c is 465k Humidity…
A: Given:ϕ=0.65P=0.3 MPaPvs=4.65 KPa
Q: A saturated mixture contains 100 lb of dry air. How much heat is required (BTU) to raise the dry…
A:
Q: Q4/ 1 kg of air at 20°C dry bulb temperature and 40% relative humidity is mixed adiabatically with…
A: Given Data Mass of first air ma1 = 1Kg Dry bulb temperture t= 200C Relative humidity 40% Mass of…
Q: 4. A large dry containment of a PWR has a volume of 2E6 ft’. At normal opera- tion, the mixture of…
A:
Q: Air initially at 101.325 kPa, 30°C db and 40% relative humidity undergoes an adiabatic saturation…
A:
Q: Moist air exists at a dew point temperature of 18°C, 60% RH, and a pressure of 96.5 kPa. Determine…
A:
Q: In air with a dry bulb temperature of 23 C and relative humidity of 20%; Find dew point temperature,…
A:
Q: Air at 3000 R and 200 psi expands isentropically to 50 psi. What are the enthaly change and new…
A: Introduction: Isentropic expansion indicates that the expansion will take place at a constant…
Q: 1. Steam undergoes an Isentropic process where it is imitially at 1 05 upa and 304C. The isentropic…
A: To find: The tsat2, dryness fraction and change in enthalpy. Given: The initial pressure is P1=1.05…
Q: Pressure in om+03 MPa Saturation pressure of water + 35°c is. 465KPa Humidity ratio of Phe air?
A: we have to calculate the humidity ratio of air
Q: The pressure, dry bulb temperature and relative humidity of air in a room are 1 bar, 30 degree…
A: Given:-ϕ=70%P3=4.25 kPaP1=1 barTo find:-Specific humidity of the room air
Q: Q5: The atmospheric air has 35° C dry bulb temperature and 50% relative humidity. Using…
A: Solution: Locate the point at 35°C DBT and 50% RH. The point is marked in the diagram below,
Q: EXPERIMENT3 EVALUATION OF TH ADIABATIC PROCES DISCUSSION: INDEX OF OXYGEN 2-whit is the difference…
A: *DISCLAIMER* “Since you have asked multiple questions, we will solve question number 2 for you. As…
Q: Moist air initially at standard atmospheric pressure, 15°C db, 70% relative humidity undergoes a…
A:
Q: Air (mass of dry air: 3 kg) with a relative humidity of 50% at 25 °C is supplied isobaric 30 kJ.…
A:
Q: Using PSYCHROMETRIC CHART, find the unknown properties of the following conditions below:…
A: Pair=97.6kPa, P=100 kPa and tdry = 35oC
Q: and relative humidity of air in a room are 1 bar, 30 degrees * C and 70% respectively. If the…
A:
Q: Gas-Vapor Mixtures (Properties of atmospheric air) Find the humidity ratio of an air that has tdb =…
A:
Q: A chilled-water line carries chilled water at 45°F (7°C) through a room at 70°F (21°C) and 60%…
A: Room air: The dew point temperature corresponding to the above air conditions is The thermal…
Q: Q3) The air temperature and humidity inside the office (15 * 7* 4 m) were 24°C and 70% respectively,…
A: The required properties for the initial condition are, The volume of the container is
Q: The dry bulb temperature of the air in a room is 25 oC and the wet bulb temperature is 20 oC. Find…
A: Given Data : Dry Bulb Temperature DBT = 25 ° C Wet Bulb Temperature WBT = 20 ° C Now , Relative…
Q: An air-conditioning system takes outdoor air at 170C and 70 percent relative humidity at a steady…
A:
Q: A flow of moist air at 45ºC, 20% relative humidity with a flow rate of 0.2 kg/s is mixed with a flow…
A:
Q: Air at 40 F(5C)db and 35 F(2C) wb is mixed with warm air at 100 F(38C)db and 77 F (25C) wb in the…
A:
Q: The humidity ratio of air is 0.5 at 70% relative humidity when the temperature of the air vapor…
A: Given Data T=72°C w=0.5 RH=70%
Q: specific humidity of this air?
A: To find specific humidity of this air
Q: Use the tables of moist-air properties to find the enthalpy and specific volume for air at 125°F…
A: GivenDry bulb temperature = 51o CHumidity ratio = 0.04To findEnthalpySpecific volume
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…
A:
Q: Air at lol-325K Pa barometric pressure, dry bulb temperature of 20°C and wet bulb tem perature of…
A:
Q: When the temperature of outside air at 35°C and 100 kPa is decreased to 27°C, condensation of the…
A: We know that when the outside air temperature is 35oC and the pressure is 10 kPa, condensation of…
Q: A moist air sample has dry bulb temperature of 30°C and specific humidity of 11.5 g water vapour per…
A: Given:Specific humidity, ω=11.5×10-3 kgSaturation vapour pressure, Pvs=4.24 kPa
Q: During very cold weather at a 5000 ft high (1500 m high) mountain site in Colorado, the interior…
A: Air conditioning is the process in which air is prepared using controlled ventilation, humidity,…
Q: Q1: Moist air at 40°CDBT, 20°CWBT, and standard atmospheric pressure humidified adiabatically to…
A: Given data, For state 1:-(Initial condition) t1 = DBT at state 1 = 40 °C t'1 = WBT at state 1 = 20…
Q: 3-2 Air at 38°Cdb and 20°Cwb and 101kPa is mixed adiabatically with liquid water supplied at 60°C,…
A: We are restricted to solve one question at a time. Please ask other questions in the next post.…
Q: Q17: 1 kg of air at 20° C dry bulb temperature and 40% relative humidity is mixed adiabatically with…
A: State 1 condition of air, =20o db and 40% RH Mass of air at state 1, m1=1 kg State 2 condition of…
Q: 12. Consider 5-lbm sample of moist air initially at 20 psia, 150 F, and 50% relative humidity. This…
A: Given: m=5 lbmState 1P1=20 psiaT1=150 Fφ=50 %State 2P2=20 psia (cooled at constant pressure)T2=70…
Q: Q1. Air at 15 °C and 25 percent humidity is to be heated in two stages with intermediate saturation…
A:
Q: dry bulb temperature of 30° C and 60% relative humidity, The saturation pressure of water at 30° C…
A:
Q: Use the tables of moist-air properties to find the enthalpy and specific volume for air at 70°F…
A: Introduction:- Psychrometry is a branch of science that deals with moist air. moist air is the…
Q: Hsing Psychrometric chart get the Enthalpy, Specific Volume, and Humidity ratio if the given is 13°C…
A:
Q: Using the psychrometric chart, calculate the error in considering the wet bulb line to the line of…
A: Given Dry bulb temperature T=35oC Relative humidity=50%
Q: O 2/ air was passed through a cooling coil with a specific volume of 9 m/kg and a moisture content…
A: Air conditioning Air conditioning is the process in which air is prepared by using controlling…
Q: Find the relative humidity in a room at a temperature of 20 C. The wet bulb temperature is 15.5…
A:
Q: If it is 20degrees outside with a relative humidity of 60procent. A gate in coldstore of 1m by 1m is…
A: Given Inside temperature, TI = -20oC Outside temperature, To = -20oC Thermal conductivity of…
Step by step
Solved in 4 steps
- 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.Use 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-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?
- 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/kgairHow high a relative humidity must a 35°C air have in order to obtain saturated airat 18°C by evaporative cooling? solve with complete diagram3- The temperature of a certain room is 72 F and =50%.. PB = 29.92 in. Hy. Find (i) the partial pressures of the air water vapor (ii) the vapor density and (iii) the humidity ratio of the and mixture. Ans. (14.496 psi, o. 1941 psi, (ii) 0.000613 lb/ft', (iii)....833
- The dry bulb temperature of the air in a room is 25 oC and the wet bulbtemperature is 20 oC. Find the relative humidity of the air.In air with a dry bulb temperature of 10 C and relative humidity of 90%; Find the dew point temperature, enthalpy, wet bulb temperature and specific humidity.2- A sample of moist air has DBT of 24 °C and at a saturation state , find using Psych. chart : a- Specific humidity b- Relative humidity c- Dew point temperature d- Specific enthalpy e-Specific volume.
- In 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 me| 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.For each of the given initial state parameters, select the appropriate enthalpy value: Note: Tdb - dry bulb temperature, F h -enthalpy, Btu/lbair RH - relative humidity, %