A compressor draws in 0.5 kgm/s of air with 7 m/s speed, 100 kPa pressure, and 0.95 m3/kgm. The air leaves at 5 m/s, 700 kPa and 0.19 m3/kgm. The internal energy of the air leaving is 90 kJ/kgm greater than that of the air entering. The coolant absorbs heat from the air at the rate of 58 kW. Determine the work in kW.

Q: A compressor draws in 0.5 kgm/s of air with 7 m/s speed, 100 kPa pressure, and 0.95 m2/kgm. The air…

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Q: stream of water (4 kg/s; T = 50ºC) is continuously mixed with another stream of water (1 kg/s; T =…

A: Given:m1=4 kg/sT1=50°Cm2=1 Kg/sT2=80°CQa=50 KJ/Kg

Q: A fluid enters a machine at 169.56 m/s, 767.78 kPa, and with a specific volume of 0.103 m^3/kg. The…

A: GIVEN DATA AT INLET C1 = 169.56 m/s P1=767.78 KPa v1=0.103 m3/kg Heat Loss Q=20.9 KJ/kg At Outlet…

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Q: Steam enters a turbine at 70 m/s and leaves at 50 m/s. The specific kinetic energy of steam is in…

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Q: A nozzle receives a steady flow of steam under the following conditions: inlet enthalpy 3200 kJ/kg;…

A: Given:Inlet enthalpy, h1=3200 kJ/kgExit enthalpy, h2=2805 kJ/kgInlet velocity, v1=60 m/sExit volume,…

Q: Steam enters a nozzle at 5Mpa and 400C steadily with a velocity of 75m/s and leaves at 2Mpa and…

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Q: A fluid enters a machine at 152.41 m/s, 838.17 kPa, and with a specific volume of 0.128 m3/kg. The…

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Q: A fluid enters a machine at 180.15m/s, 793 kPa, and with a specific volume of 0.203m3/kg. The…

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Q: enters an expander with an enthalpy of 1200 kj/kg and leaves with an enthalpy of 899 kJ/kg. 20 kJ/kg…

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Q: A piston-cylinder device initially contains gas at 200 kPa. The system showed an expansion due to…

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Q: termine the rate of heat released (in kW) by the steam with 88.0% quality that enters the evaporator…

A: Given:x=0.88m=1800 kg/hT1=132°CT2=100°CC=4.187 KJ/kg.°C

Q: A fluid enters a machine at 10200 m/min. 800000Pa, and with density of 3.333 kg/m3. The radiation…

A: This problem is related to fluid mechanics. Fluid mechanics is the subject of mechanical engineering…

Q: Steam flows through a turbine at a rate of 2.0 kg/s, at 3 MPa and 450°C with a velocity of 80 mis…

A: given; mass flow rate (m)=2kg/sinlet pressure(P1)=3MPainlet temperature(T1)=4500cinitial…

Q: In a steady flow system, 50 kJ of work is done per kg of fluid, the values of specific volume…

A: We have, Wsf=50 kJ/kg The given inlet conditions are, V1=0.4 m3/kg, p1=600 kPaC1=15 m/s

Q: Air at 283K and 0.08 MPa enters the diffuser of a jet engine steadily with a velocity of 200 m/s.…

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Q: A small steam whistle (perfectly insulated) and doing no shaft work causes a drop of 0.8 kJ/kg in…

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Q: The boiler of a steam generator has a total volume of 2 m3, and initially contained 1.5 m3 of water…

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Q: Air enters a compressor with a pressure of 14.5 psia, a temperature of 80°F, and a volumetric flow…

A: Given data: The inlet pressure of the compressor, P1= 14.5 psia The inlet temperature of the…

Q: Steam enters a nozzle at 400°C and 800 kPa with a velocity of 10 m/s, and leaves at 3008C and 200…

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Q: When 100 kJ of work is done on a closed system during a process, the total energy of the system…

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Q: Steam flows through a turbine at a rate of 2.3 kg/s, at 3.2 MPa and 480°C with a velocity of 85 m/s…

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Q: A fluid enters a machine at 164.41 m/s, 889.14 kPa, and with a specific volume of 0.342 m³/kg. The…

A: Answer: The work done by the fluid is 1206.835 kJ.

Q: the rate of 0.5 kW. How long does it take for the temperature of the water to rise to 35°C if no…

A: Given: mass of water =20 kg T1=25oC rigid tank W=0.5 kW T2=35oC Heat loss =0 Cp= 4.184 kJ/kgK To…

Q: an air compressor (an open system) receives 369 gm per min of air at 75.79 kPa and a specific volume…

A: The given information in the problem is represented in the following attached image:

Q: A rigid tank contains hot fluid that is cooled while being stirred by a paddle wheel. The internal…

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Q: An air compressor compresses 15 L/s of air at 120 kPa and 20 degree C to 800 kPa and 300 degree C…

A: given : V˙ = 15 L/s = 15*10-3 m³/s  (∵ 1 Litre = 10-3 m³ , ∴ V˙ = 15*10-3 m³/s)   state 1 : P₁ =…

Q: Liquid water at 1.2 bar and with a velocity of 30 m/s enters a 10 kW pump where its pressure is…

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Q: A pump handling a liquid raises its pressure from 1 bar to 30 bar. Take the density of the liquid as…

A: Given, Initial pressure = P1 = 1 bar = 1 x 105 Pa Final pressure = P2 = 30 bar = 30 x 105 Pa Density…

Q: Steam enters a nozzle at 350C and 800 kPa with a velocity of 10 m/s, and leaves at 250C and 200 kPa…

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Q: A turbine operates with superheated steam entering at 900°F and 1,100 psia with a mass flow rate of…

A: GivenT1=900oF=482.22oCP1=1100 psia =7.58 MPam=70 lbm/s=31.75 kg/sP2=5psia =34.47 KPaη=0.80

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Q: As shown in the figure below, water behind a dam enters an intake pipe at a pressure of 24 psia and…

A: Given data as per question Pressure at inlet = 24 psia Velocity =5 ft/s z1 =120 ft p2 =19 psia v2…

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Q: n enters a nozzle at 350C and 800 kPa with a velocity of 12 m/s, and leaves at 250C and 200 kPa whil…

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Q: steam enters a nozzle at 400 C and 800 kpa with a velocity of 10 m/s, and leaves at 375 C and 400…

A: Given data:- The inlet temperature                       The outlet temperature…