A cooling tower receives 6 kg/s of water of 60oC. Air enters the tower at 32oC DB and 27oC WB temperatures and leaves at 50oC and 90 per cent relative humidity. The cooling efficiency is 60.6 per cent. Determine: (a) the mass flow rate of air entering, and (b) the quantity of make-up water required.

Q: 2. An air-conditioning system is to take in outdoor air at 10 C and 30 percent relative humidity at…

A: Given Data State 1: 10°C, 30% RH State 2:22°C State 3:25°C, 60% RH P=100 kPa

Q: Air at 5 °C and 80% relative humidity that flows at a rate of 2 kg/ s is mixed with 4 kg/ s of air…

A: Write the formula for relative humidity to calculate the pressure of air at 5oC. ϕ1=Pv1Pvs1 Here, ϕ1…

Q: Eight (8) kg of 20 °C air is compressed from 95 kPa to 628 kPa. The inlet air has relative humidity…

A: Given Mass = 8 kg Temperature = 20o C Minimum pressure = 95 kPa Maximum pressure = 628 kPa Relative…

Q: If the relative humidity of air is 77 % at 18.0°C, what is the partial pressure of water vapor in…

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Q: What happens when the temperature of air with 40% relative humidity at 30°C is lowered to 18°C? The…

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Q: is desired to reduce the temperature of the ambient air entering an air handling unit at a…

A: Refrigeration is the process in which heat is extracted from the body or space whose temperature is…

Q: Problem Solving A 5.092 m³ rigid tank contains 100 Kg of saturated water vapour, What is the…

A: Write the given values along with suitable variables. V1 = V2 = 5.092 m3 Mg1 = 100 kg T2 = 200° C

Q: In an air-conditioning unit 3.5 m3/s air at 27°C dry-bulb temperature, 21°C wet-bulb temperature,…

A:

Q: In an air-conditioning unit 3.5 m3/s air at 27°C dry-bulb temperature, 21°C wet-bulb temperature,…

A:

Q: Air enters an air-conditioning system that uses refrigerant-134a at 30OC and 70 percent relative…

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Q: A dryer is to deliver 0.3 kg/s of cassava with 2% moisture and 20% moisture in the feed. Determine…

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Q: A heating section consists of a 15" diameter duct that houses a 4 kW electric resistance heater.…

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Q: Air at 30 ºC with a dew point of 14ºC enters a textile dryer at a rate of 15.3 m3/min and leaves…

A:

Q: In an air-conditioning unit 3.5 m3/s air at 27°C dry-bulb temperature, 21°C wet-bulb temperature,…

A:

Q: Air enters a window air conditioner at 1 atm, 32oC, and 65 percent relative humidity at a rate of 80…

A: Given Data  P=1 atm State 1: 32°C, 65% RH State 2: 20°C, 50% RH

Q: A dryer is to be designed to reduce the moisture content of copra from 52% to 6%. Atmospheric air at…

A:

Q: A bedroom is to be conditioned that the total heat load is 20 kW and the sensible heat ratio is 0.4.…

A: Given that, RH=55 %,Outside:-32 °C DB23 °C WBEneters room at 17 °C, Apply mass flow rate = total…

Q: In an industrial plant where tires are made, there is a wet cooling tower which fulfills a very…

A:

Q: An air-conditioning system is to take in outdoor air at 5º°C and 20 percent relative humidity at a…

A: given: initial temperature of air, T1=5o Crelative humidity of air,  ϕ1=20%outdoor air heated to…

Q: A 1-m³ rigid tank contains air at 35°C and 125 kPa at a relative humidity of 45%. Determine the…

A: (a) The partial pressure of dry air is 122.467 kPa. (b) The enthalpy per unit mass is 68.185 kJ/kg…

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: Q.1: Air of 40 °C DB temperature and 20 °C WB temperature is flowing with rat of 5000 kg/hr. Water…

A: As per Bartleby's policy in case of multiple subparts I can solve only first three subparts. Please…

Q: ir enters a cooling section at 97 kPa, 35°C, and 30 percent relative humidity m'/min, where it is…

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Q: Air enters an air-conditioning system that uses refrigerant-134a at 30OC and 70 percent relative…

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Q: In an air-conditioning system situated at UWI Mechanical Laboratory building, 300 m³/min of fresh…

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Q: 1. Air at a dry bulb temperature (dbt) of 40 oC and a relative humidity of 30% is heated to a dbt of…

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Q: Using a psychrometric diagram, describe the heating and humidification process from the following…

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Q: The air in a certain room (Patm=1Bar) has a dry bulb temperature of 23°C and a relative humidity of…

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Q: A wet cooling tower is to cool 60 kg/s of water from 40 to 26°C. Atmospheric air enters the tower at…

A: Cooling tower It is a device in which hot water from the plant such as thermal power plant is cooled…

Q: Using a psychrometric diagram, describe the heating and humidification process and the following…

A: Write the given values along with suitable variables.

Q: If moist air has a saturation humidity ratio of 0.016872 kg v/kg da at a pressure of 1.2 bar, what…

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Q: Cooling water leaves at 35ºC and at 100 kg/s from the condenser of a thermal power station and…

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Q: A stream of outdoor air is mixed with a stream of return air in an air-conditioning system that is…

A: As per given question  We have to determine  1. Enthalpy of the mixture in kJ/kg 2. Humidity ratio…

Q: An air-conditioning system is to take in outdoor air at 10 C and 30 percent relative humidity at a…

A:

Q: A 10-m3 room contains air at 30°C and a total pressure of 90 kPa with a relative humidity of 75…

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Q: A room contains air at 20°C and 98 kPa with a relative humidity of 85%. Determine the partial…

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Q: A tank contains 21 kg of dry air and 0.3 kg of water vapour at 24°C and 100 kPa total pressure.…

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Q: 3. Air enters a window air conditioner at 1 atm, 30 C, and 80 percent relative humidity at a rate of…

A: Solution: Assumptions:  Since this is a steady flow process, therefore the mass flow rate of dry…