Refrigerant-134a is to be cooled by water in a condenser. The refrigerant enters the condenser with a mass flow rate of 6 kg/min at 1 MPa and 70ºC and leaves at 35°C. The cooling water enters at 300 kPa and 15°C and leaves at 25ºC. Neglecting any pressure drops, determine (a) the mass flow rate of the cooling water required and (b) the heat transfer rate from the refrigerant to water

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

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Q: Steam enters an adiabatic turbine at 1 MPa and 300°C and leaves at 100 kPa as saturated steam. The…

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Q: Steam enters a steam turbine at a pressure of 4 MPa and a temperature of 450 ° C at 25 kg / s. At 1…

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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: Refrigerant-134a is to be cooled by water in a condenser. The refrigerant enters the condenser with…

A: Given data, m˙r= Mass flow rate of the refrigerant in the condenser = 6 Kg/min Inlet condition of…

Q: Water as a saturated liquid at 7.5 kPa and 40.29 deg C enters a pump and leaves the pump as a…

A: Given : water enters as saturated liquid p=7.5 Kpa And leaves the pump as subcooled liquid…

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.

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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: 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: Steam in an adiabatic turbine expands from 4 MPa and 450°C to 0.1 MPa with a flow rate of 6 kg / s.…

A: Given: Inlet condition of the steam,P1=4MPaT1=450°CExit condition of steam P2=0.1MPaMass flow rate…

Q: cooling coil removes a total heat load of 41 kW from a conditioned air. The refrigerating unit uses…

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Q: Refrigerant-134a at 1 MPa and 90 degrees * C is to be cooled to 1 MPa and 30 degrees * C in a…

A: Given data as per question The pressure of Refrigerant at entry =1 Mpa The temperature of…

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,

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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

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Q: commercial refrigerator. The refrigerant exits the evaporator at a temperature of -33.5°C (239.65 K)…

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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

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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: Steam enters the condenser of a steam power plant at 20 kPa and a quality of 90 percent with a mass…

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Q: Steam is entering a turbine at 5 MPa and 400°C and exits at 10 kPa going to a condenser. The work…

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Q: vii) Steam expands in an adiabatic turbine from 6 MPa and 400°C to 0.05 MPa at a rate of 4 kg/s. If…

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Q: Refrigerant-134a is condensed in a refrigeration system by rejecting heat to ambient air at 25°C.…

A: Given: The inlet temperature of the refrigerant is T1=50°C. The inlet pressure of the refrigerant is…

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,…

Q: Steam enters the condenser of steam power plant at 20 kPaa and quality of 95% with a mass flow rate…

A: Answer: (a) The heat rejected by the condenser is 12446.58333 kW. (b) The mass flow rate of the…

Q: Steam enters a turbine with a mass flow rate of 15 kg/s at 500°C and 8 MPa. 30% of the steam is…

A: Steam turbine is adiabatic Mass flow rate = 15 kg/s  T1= 500°C P1= 8 MPa steam is removed from the…

Q: The refrigerant R-134a enters the compressor of a refrigeration machine at a pressure of 140kPa and…

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

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Q: Air (cp = 1.005 kJ/kg·°C) is to be preheated by hot exhaust gases in a crossflow heat exchanger…

A: In order to proceed with the problem following assumptions are taken into consideration. The…

Q: 5-84 Air (C₂=1.005 kJ/kg°C) is to be preheated by hot exhaust gases in a cross-flow heat exchanger…

A: The pressure of air is The inlet temperature of gas is The volume flow rate of air is The mass flow…