Air enters the evaporator section of a window air conditioner at 100 kPa and 27°C with a volume flow rate of 6 m3 /min. Refrigerant-134a at 120 kPa with a quality of 0.3 enters the evaporator at a rate of 2 kg/min and leaves as saturated vapor at the same pressure. Determine the exit temperature of the air and the exergy destruction for this process, assuming heat is transferred to the evaporator of the air conditioner from the surrounding medium at 32°C at a rate of 30 kJ/min.

Q: Helium gas (C,=5.19 kJ/kgK, k=1.67) is compressed steadily from 100 kPa and 30°C to 600 kPa at a…

A: The given values are - P1= 100kPa, T1 =30°C =303 K, P2= 600kPaη=0.6 , k=1.67 , Cp=5.19 kJkgKFor an…

Q: An ideal gas (R= 0.2081 kJ/kgK, Cp=0.5203 kJ/kgK, Cv=0.3122 kJ/kgK) is compressed steadily from 100…

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Q: Sáturated liquid water is heated in a heat exchanger until it exits as a saturated liquid vapor…

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Q: Devices can be combined to perform a variety of tasks. An adiabatic compressor, with air as the…

A: To find: The magnitude of power delivered to generator by turbine. Given: The temperature of the…

Q: Refrigerant-134a enters an adiabatic compressor at -26°C as a saturated vapor at a rate of 0.45…

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Q: One mole of carbon dioxide is to be compressed adiabatically from 1 bar and 25⁰C to 10 bar. Because…

A: Given Data:- Initial temprature = 25°C Pressure = 1 bar. After compression pressure is 10 bar

Q: Devices can be combined to perform a variety of tasks. An adiabatic compressor, with air as the…

A: To find: The magnitude of power delivered to generator by turbine. Given: The temperature of the…

Q: Saturated liquid water is heated in a heat exchanger until it exits as a saturated liquid vapor…

A: To obtain the quality of the saturated liquid vapor mixture, we must use the law of the conservation…

Q: It is proposed to have carbon dioxide (CO2) gas pass through an uninsulated nozzle.  The CO2 is to…

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Q: A refrigerator using R-134a as the refrigerant is used to keep a space at - 10°C by rejecting heat…

A: Given: Refrigerator using R-134a as the refrigerant  TL = - 10°CTo = 22 °CP1 =140 kPa as a saturated…

Q: Sâturated liquid water is heated in a heat exchanger until it exits as a saturated liquid vapor…

A: Option d is correct.

Q: Refrigerant 134-a enters the coil of the condenser of a residential heat pump at 500kPa and 400C and…

A: The superheated refrigerant enters the compressor and leave as a saturated liquid. Therefore,…

Q: (4) An adiabatic mixing chamber is used to mix 1.36 kg/s of refrigerant R-134a at 1000 kPa and 2°C…

A: Given data: The mass flow rate in one of the inlet tube is m1 = 1.36 kg/sThe mass flow rate in…

Q: fluid enters a device steadily at 35 m/s, 200 kPa and 65C and exits at 240 m/s and 95 kPa. The heat…

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Q: Saturated liquid water is heated in a heat exchanger until it exits as a saturated liquid vapor…

A: Given:-For oil,Tho=150°CTco=40°Cmo=5 kg/sCo=2.2 kJ/kg-cFor water,Tcw=25°Cmw=1.5…

Q: Refrigerant 134-a enters a compressor as saturated vapor at -20°C and leaves at 1.2 MPa and 80°C.…

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Q: Superheated steam enters the turbine of a steam power plant at 5 MPa and 450 ºC, and exits at 10…

A: Given:P1=5 MPaT1=450°CP2=10 KPaη=90%m=10 Kg/s

Q: steady flow thermodynamic system receives 100 lb/min of a fluid at 30 psia and 200°F and discharges…

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Q: Steam at 200 kPa and 150°C is used to prepare hot water in a flow system. The steam cools and…

A: Steam at entry point,Saturated liquid condensate at exit,Water at entry,Water at exit,

Q: Steam enters an adiabatic turbine at 45 MPa and 840°C with a mass flow rate of 69 kg/s and leaves at…

A: Given: Initial Pressure P1=45MPa Initial temperature T1=840°C Isentropic efficiency =0.90 Solution:…

Q: Refrigerant-22 absorbs heat from a cooled space at 50°F as it flows through an evaporator of a…

A: Given data as per question

Q: Steam enters an adiabatic turbine at P1 MPa and T1°C with a mass flow rate of z kg/s and leaves at…

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Q: Heat flows through a wall of a house at a steady-state on a day when the temperature of the outdoor…

A: From the given data,the question asked for total entropy generation. For that take inside and…

Q: As shown in the figure, a Carnot heat engine generates 1.65 MW of net power by taking heat from a…

A: Write the given data with suitable variables. Wcycle=1.65 MW=1.65×106 WTC=17 °CPH=100 kPa

Q: In a power plant, water vapor with a flow rate of 35 kg / s enters the adiabatic turbine at a…

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Q: Devices can be combined to perform a variety of tasks. An adiabatic compressor, with air as the…

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Q: Steam enters a turbine steadily at 12.5 MPa and 450°C with a velocity of 75 m/s. If leaves the…

A: Given:P1=12.5 MPaT1=450°Cc1=75 m/sP2=75 KPax=0.95Q=-15 KJ/kgA1=100 cm2A2=1200 cm2

Q: Saturated ambient air with a DB of 8°C and a mass flow rate of 0.98 kg/s is divided into two…

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Q: A gas turbine unit is used to produce electric power through a generator. The air inlet to the…

A: Calculate the power input to the compressor and the total power produced by the turbine and also…

Q: Air enters a compressor of a jet engine at 0.65 atm and 275 K with a flow rate of 63.5 kg/s. The…

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Q: 17- Two rigid tanks are connected by a valve. Tank A is insulated and contains 0.2 m3 of steam at…

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Q: Steam enters an adiabatic turbine at 5 MPa, 500 ºC, and 80 m/s and leavesat 50 kPa, 150 ºC, and 140…

A: The objective of the question is to determine the mass flow rate of the steam flowing through the…

Q: Refrigerant 134-a enters the evaporator coils placed at the back of the freezer section of a…

A: ◆ The mass flow rate of the refrigerant is 0.016326 kg/sec. ◆ The rate of heat rejected to the…

Q: (CO₂) It is proposed to have carbon dioxide gas pass through an uninsulated nozzle. The CO2 is to…

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Q: Determine the rate of sensible heat loss from a building due to infiltration if the outdoor air at –…

A: The sensible heat loss. Given: The outdoor air temperature is To=-5°C=268 K. The outdoor air…

Q: Refrigerant 134-a enters the evaporator coils placed at the back of the freezer section of a…

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Q: (b) A refrigeration plant uses a flash chamber to separate saturated vapor and saturated liquid from…

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Q: It is proposed to have carbon dioxide (CO2) gas pass through an uninsulated nozzle. The CO2 is to…

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Q: In an adiabatic heat exchanger steam is cooled down with cooling water. Steam enters the heat…

A: Given, For stream, p1 = 1 MPa, T1 = 300 ºC, h­­1 = 3051.63 kJ/kg, s1 = 7.124 kJ/kg ºC p2 = 1 MPa,…