Solve the following problems Find the properties of moist air for the following using psychrometric chart:
Q: Air with a total pressure of 101.3 kPa, a temperature of 12 °C and a relative humidity of 75% is…
A:
Q: Mixture of dry air and water vapour, Total pressure of 640mm of Hg, Partial pressure of water vapour…
A: GIVEN DATA - TOTAL PRESSURE P=640mm of Hg PARTIAL PRESSURE OF WATER VAPOUR Pv=15mm of Hg WE HAVE TO…
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: A saturated mixture contains 100 lb of dry air. How much heat is required (BTU) to raise the dry…
A:
Q: Moist air at 30 °C dry bulb temperature, and enthalpy of 64 kJ/kg, then the r Select one: O a. 50% O…
A: Given: Dry bulb temperature=30 degrees C Enthalpy= 64 kJ/kg
Q: 4. A large dry containment of a PWR has a volume of 2E6 ft’. At normal opera- tion, the mixture of…
A:
Q: In air with a dry bulb temperature of 23 C and relative humidity of 20%; Find dew point temperature,…
A:
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: 9- Crude oils with a large volume of issolved gases are less dense, light in eight, and have high…
A: Yes, it is true.
Q: The equivalent evaporation of a boller is found to be 22500 kg/hr. Stiam is produced at 20 bar…
A: The sloution is given below
Q: Gas-Vapor Mixtures (Properties of atmospheric air) Find the humidity ratio of an air that has tdb =…
A:
Q: Q5: A mixer must deliver 500 L/s at 13°C DBT. The return air from the building is at 23 °C and 50 %…
A: Given: The volume flow rate, Q = 500 L/s The dry-bulb temperature, Tdb1 = 13 C The dry-bulb…
Q: Moist air at 80 F db and 68 F wb is cooled to 58 F db and 95 percent relative humidity. The volume…
A: Given data: DBT1=80 FWBT1=68 FDBT2=58 FRH2=95%
Q: Calculate (a) the humidity of air at a temperature of 65 deg C and 42% RH, and (b) compare the value…
A:
Q: The total volume of a new house is 681 m3. Before the heat is turned on, the air temperature inside…
A: The air in atmosphere has water vapour in it; corresponding to the partial pressure of water vapour…
Q: Example 3: 160 lit of water at 15°C mix °C. Calculate the temperature of the mix surroundings and…
A:
Q: Calculates direct evaporative cooling or saturation efficacy from E= T1- T2/ T2 - T Where T1 is dry…
A:
Q: Is it possible that during sensible heating process the condition of air reaches a relative humidity…
A: It is not possible that during sensible heating process the condition of air reaches a relative…
Q: A dryer has a 17% moisture wet feed and 3% moisture of dried product. (a) Find the moisture removed…
A:
Q: A kilogram of wet steam is taken as a sample for study. It has a pressure of 0.805 MPa and an…
A: Given data :- P = 0.805 Mpa h = 2287 KJ/kg
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: carnot refrigeration used to produce ice at cture is = 16°c, find the coefficient of perfo
A:
Q: n sensible heating or cooling process, it is the dry bulb temperature of air being varied either…
A: Sensible heating or coolingThe sensible heating or colling involves the increase or decrease in the…
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: Calculate the gross and net calorific values of a solid fuel having 80% of carbon and 15% of…
A:
Q: The atmosphere within a room is 21OC dry bulb temperature, 50% relative humidity and 1 atmosphere…
A:
Q: A coal water slurry contains 73% dry powdered bituminous coal and 27% water. If the coal has a dry…
A:
Q: What is the cooling duty to freeze water from 50°C to ice at 0°C, at the rate of 10 t/day?
A: Given data: Ti=50°CTf=0°Cm˙=10 ton/day Need to determine the cooling duty to freeze water.
Q: 5.) A kilogram of wet steam is taken as a sample for study. It has a pressure of 0.805 MPa and an…
A: GIVEN DATA ENTHALPY OF STEAM GIVEN AT 0.805 MPa h=2287 KJ/Kg WE HAVE TO FIND DRYNESS FRACTION OF…
Q: Using the psychometric chart , calculate the absolute humidity of air which has 50% RH and a…
A:
Q: A stream of moist air (mass flow rate = 10.1 kg/s with humidity ratio of 0.01 kg kg dry air mixes…
A: Given:m1=10.1 Kg/sω1=0.01 Kg/Kg dry airm2=0.1 Kg/s
Q: 3- A sample of moist air has DBT of 30 °C and with dry state , find the following using psych. chart…
A: solved
Q: 7- Find the dryness fraction, specific volume and internal energy steam at 7 bar and enthalpy 2550…
A: Given: Pressure P=7 bar, specific enthalpy h=2550 kJ/kg.
Q: 14.An office is occupied by 30persons who each produce 58 kW of sensible heat and 0.1 kg/h of…
A:
Q: tially dry and at 1.5 MPa is ex ind the dryness fraction and ve
A: given:initial pressure p1=1.5mpafinal pressure p2=7.5kpaexit diameter dexit=12.5mm
Q: ssure of 15 bar from 14°C. hthalpy required and chang In water is converted into (i 0.95 dryness…
A:
Q: The total volume of a new house is 681 m3. Before the heat is turned on, the air temperature inside…
A: Given: Total volume of house is 681 m3. Initial air temperature is 15°C. Relative humidity is 42%.…
Q: Find the dryness fraction, specific volume and internal energy of steam at 7.1 bar and enthalpy 2600…
A: Given, p= 7.1 bar, h= 2600 kJ/kg Saturation temperature, Tsat = 165.5, hf = 699.5 kJ/kg, hg =…
Q: A room is maintained at 22°C and 50% RH, outside ventilation air at 10°C and 70% RH is mixed with…
A: Given data, Room temperature, Tr = 22 °C Relative humidity (RH) of the room air, ϕr = 50 %…
Q: Compute for the (a) dryness factor, (b) internal energy, (c) enthalpy, and (d) entropy of a…
A:
Q: .What is the state of a water vapor at 50°Fdew point temperature and 80 °F dry-bulb temperature?…
A:
Q: Find the enthalpy of air with wet bulb temperature of 25°C and dry bulb temperature of 32°C using…
A: Given data:
Q: QI: Moist air at 40°CDBT, 20 CWBT, and standard atmospheric pressure is humidified adiabatically to…
A: Dear student, According to the guidelines I am allowed to answer only one…
Q: Q2. Show the different between pure metal and binary alloy cooling curve and the reason of this…
A:
Q: Hsing Psychrometric chart get the Enthalpy, Specific Volume, and Humidity ratio if the given is 13°C…
A:
Q: 2- The sensible heat gain of a given space is 50 kW and its latent load is 15 kW. The inside design…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- What is the temperature entering the cooling sectionwhen 25 kW of heat are removed and the air exits at 15 deg C, a relative humidity of 30% and a volumetric flowrate of 0.7 m^3/s?Use the concept of evaporative cooling to explain how air’s relative humidity is measured using a sling psychrometerAn auditorium to be air-conditioned for the following conditions, Outdoor dry-bulb temperature 40 °C Outdoor wet-bulb temperature 20°C Expected comfort condition 20 DBT 60%RH Seating capacity of the auditorium 1500 persons Air supplied from outdoor 0.3 m¥min per person f the required condition is achieved first by adibatic humidification and then by cooling, determine () the capacity of the cooling coil in tonnes and (i) the capacity of humidifier in kg/h.
- What are the basic parameters for calculating of Jet Pulse Compress Air for cleaning of bags from dust in Bag Filters and Bag Houses?f. A single-family detached residence of moderate construction has a total sensible load of 53,300 Btu/hr. The design humidity ratio is 0.021 lb of vapor/lb of dry air. Determine the total cooling load.An auditorium to be air-conditioned for the following conditions, Outdoor dry-bulb temperature 40 °C Outdoor wet-bulb temperature 20°C Expected comfort condition 20 DBT 60%RH Seating capacity of the auditorium 1500 persons Air supplied from outdoor 0.3 m¥min per person fthe required condition is achieved first by adiabatic humidification and then by cooling, determine () the capacity of the cooling coil in tonnes and (i) the capacity of humidifier in kg/h.
- EXAMPLE 5: 1.5 m 3 s -1 of moist air at a state of 28C dry-bulb, 20.6C wet-bulb (sling) and 101.325 kPa flows across a cooler coil and leaves the coil at 12.5C dry-bulb and 8.336 g per kg of dry air. Determine (a) the apparatus dew point, (b) the contact factor and (c) the cooling load.Engineer CoolAir is working on designing an air conditioning unit that handles the combined air flow from two food processing rooms with the following quantities: 4000 ft^3/ min at 80° F wet bulb and 50% saturated; 3000 ft^3/min at 70° F dry bulb and 65°F wet bulb temperatures. (a) What is the total mass flow rate? (b) What is the dry bulb temperature? (c) what is the wet bulb temperature?The percent rating of water tube boiler is 200 %, factor of evaporation is 1.10, and heating surface is 400 ft2. Determine the rate of evaporation, in kg/hr.
- An ammonia compressor has a volumetric effienciy og 85%, operating condensing & evaporating temperatures of 40 C & 10 C respectively for a cooling capacity of 10 tons with compression index of 1.2, mean piston speed of 2m/s, 5% clearance & bore to stroke ratio of 0.7. Determine the ff: 4. work of compressor in kj/kg 5. power of compressor in kj/kg 6. cooling coefficient of performanceAir at 24 °C dry-bulg and 15 °C wet-bulb enters a humidifier and leaves at 41 °C dry-bulb and 21 °C wet-bulb. How much moisture has been added per kilogram of dry air?Assuming the clearance is negligible for a single stage compressor with the followingdata.Atmospheric pressure: 90 kPaAtmospheric temperature: 17 ˚CDelivery pressure: 7 barFree air delivery flow rate: 0.2 m3/minTake “n” as 1.3, cp = 1.005 kJ/kg K, cv = 0.718 kJ/kg K Calculatate the following 1 )Evaluate the mass flow rate of air inside the compressor operating isentropically in kg/min to 3 decimal places. 2 ) What is the power input to the compressor in kW to 3 decimal places if the compression reversible isothermal? 3 ) What is the power input to the compressor in kW to 2 decimal places if the compression is polytropic compression process with n=1.25?