An adiabatic pump is to be used to compress saturated liquid water at 10 kPa to a pressure to 15 MPa in a reversible manner. Determine the work input using (a) entropy data from the compressed liquid table, (b) inlet specific volume and pressure values, (c) average specific volume and pressure values. Also, determine the errors involved in parts (b) and (c).

Q: Refrigerant-134a at 140 kPa and –10°C is compressed by an adiabatic 0.5-kW compressor to an exit…

A: Given Data: Refrigerant type: R-134a The temperature of refrigerant at the entry of compressor is T1…

Q: A reversible Carnot engine operates between 27°C and 1527°C, and produces 400 kW of net power. The…

A: Given, Temperature at which heat is added = T1 = 1527 oC = 1800 K Temperature at which heat is…

Q: Refrigerant-134a at 140 kPa and 210C is compressed by an adiabatic 1.3-kW compressor to an exit…

A: In this problem, the initial temperature is greater than the final temperature so it is not…

Q: 3. Steam enters an adiabatic turbine at 3000 kPa and 500°C and exits as a saturated vapour at 100…

A: steam enters at adiabatic turbine atP1=3000KPa and temperature(T1)=5000cexit at pressure (P2)=100KPa

Q: During the isothermal heat addition process of a Carnot cycle, 900 kJ of heat is added to the…

A: The temperature of the working fluid is T1=400 °C The temperature of the source is T2=400 °C The…

Q: Refrigerant-134a is expanded isentropically from 600 kPa and 70°C at the inlet of a steady-flow…

A: Given Data: The inlet pressure of the refrigerant R-134a is P1 = 600 kPa. The inlet temperature of…

Q: Steam enters an adiabatic turbine steadily at 7 MPa, 500°C, and 45 m/s and leaves at 100 kPa and 75…

A: Given, P1=7 MPa T1=500°C V1= 45m/s P2 = 100 kPa=0.1Mpa V2= 75 m/s W=5 MW=5000 KW ηisentropic=…

Q: Q3) 35% Steam enters an adiabatic turbine steadily at 7 MPa. 500°C. and 45 m/s, and leaves at 100…

A:

Q: Hot combustion gases enter the nozzle of a turbojet engine at 230 kPa, 627°C, and 60 m/s and exit at…

A: The pressure of gases at the entrance of nozzle P1 = 230 kPa The pressure of gases at the exit of…

Q: Ambient air at 100 kPa and 300 K is compressed isentropically in a steady-flow device to 0.8 MPa.…

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Q: Refrigerant-134a enters a compressor as a saturated vapor at 160 kPa at a rate of 0.03 m3/s and…

A: (a) The surrounding temperature is given as, The rate of change in entropy of the surrounding is…

Q: An adiabatic capillary tube is used in some refrigeration systems to drop the pressure of the…

A:

Q: An adiabatic turbine at 10 MPa, 500 degrees Celsius, and 55 meters per second, and departs at 100…

A:

Q: 3. Water enters an adiabatic steam turbine at 7 MPa and 450 °C at a flow rate of 100 m³/min and…

A:

Q: A rigid, adiabatic container is filled through a single opening from a source of working fluid whose…

A: Let A rigid, adiabatic container is filled through a single opening from a source of working fluid…

Q: Steam enters an adiabatic nozzle at 3.5 MPa and 300°C with a low velocity and leaves at 1.6 MPa and…

A: Answer : Second law efficiency is the ratio of exergy destruction to the exergy at initial state and…

Q: What is entropy and its application?

A: Entropy measures randomness or disorder of the system or it is the measure of a system's thermal…

Q: 5 ft3 /s oT air is conmpressed in an adiabatic compressor from an initial state of 14.7 psi and 60…

A:

Q: How do the values of the integral ∫ 1 2 δQ/T compare for a reversible and an irreversible process…

A: The given integral is known as Clausius principle. For a reversible process between states 1 and 2,…

Q: Steam enters an adiabatic turbine at 6 MPa, 6008C, and 80 m/s and leaves at 50 kPa, 1008C, and 140…

A: Given that: for an adiabatic turbine, P1 = 6 MPa, T1 = 600 oC, V1 = 80 m/s P2 = 50 kPa, T2 = 100 oC,…

Q: Air enters the compressor of a gas turbine plant at ambient conditions of 100 kPa and 25 ⁰C with a…

A: Given:-Air enter at 100 kPa, 25°C, low velocity, V1Air exit at 1 MPa,  347 ⁰CQadabatic=0Power…

Q: Refrigerant-134a enters a compressor as a saturated vapor at 160 kPa at a rate of 0.03 m3 /s and…

A: Given: The initial pressure P1=160 kPa. The final pressure is P2=0.03 m3/s. The entropy increase is…

Q: Refrigerant-134a at 140 kPa and –10°C is compressed by an adiabatic 0.5-kW compressor to an exit…

A:

Q: Explain the Reversible work relations for steady-flow and closed systems.

A:

Q: Is the value of the integral ∫ 1 2 δQ/T the same for all reversible processes between states 1 and…

A: No, it is not necessary that for all the reversible processes the integral value of ∫12δQT is the…

Q: Long cylindrical steel rods (ρ = 7833 kg/m3 and cp = 0.465 kJ/kg·°C) of 10-cm diameter are heat…

A: To find  The rate of entropy generation Sgen. Given The density of the rod ρ is 7833 kg/m3. The…

Q: Discuss the during an internally reversible, adiabatic (isentropic) process, the entropy remains…

A: The total entropy of the system is the summation of entropy change due to internal reversibility and…

Q: An adiabatic turbine at 10 MPa, 500 degrees Celsius, and 55 meters per second, and departs at 100…

A:

Q: An adiabatic capillary tube is used in some refrigeration systems to drop the pressure of the…

A:

Q: Can saturated water vapor at 200 kPa be condensed to a saturated liquid in an isobaric, closed…

A: On using a steam table, the properties of saturated water vapor at 200 kPa are given as, The heat…

Q: Consider a steady-state steam turbine. Steam enters the turbine at a pressure of 12.5 MPa and a…

A: Given data, PH = Higher pressure or turbine pressure = 12.5 MPa T1 = Temperature at the inlet to the…

Q: Steam enters an adiabatic turbine at 8 MPa and 500°C at a rate of 18 kg/s, and exits at 0.2 MPa and…

A: Given data: The initial pressure, P1 = 8 MPa. The final pressure, P2 = 0.2 MPa. The initial…

Q: During the isothermal heat rejection process of a Carnot cycle, the working fluid experiences an…

A: We have 1 Btu/R = 1.9×103 J/KEntropy Change of Working Fluid =-0.7 Btu/R = -0.7×1.9×103 =-1330…

Q: Hot combustion gases enter the nozzle of a turbojet engine at 260 kPa, 747°C, and 80 m/s, and they…

A: Given data P1=260 KPaT1=747°cV1=80 m/sP2=85 KPa

Q: Liquid water enters an adiabatic piping system at 15°C at a rate of 8 kg/s. If the water temperature…

A: Given data: The initial temperature, T1 = 15oC. The rise in temperature, ∆T = 0.2oC. The mass flow…

Q: Air in a large building is kept warm by heating it with steam in a heat exchanger. Saturated water…

A: The properties of saturated water vapor at 35o centigrade is taken from the saturated vapor table,…

Q: A piston is inserted into a cylinder causing the pressure in the air to change from 50 to 4000 kPa…

A:

Q: Air is compressed steadily by a reversible compressor from an inlet state of 100 kPa and 300 K to an…

A: Given Inlet of compressor pressure = 100 kPa Inlet temperature = 300 K Exit pressure = 900 kPa…

Q: Air flows into an adiabatic nozzle at 500 kPa and 400K at a speed of 30 m/s and exits the nozzle at…

A:

Q: Steam is to be condensed in the condenser of a steam power plant at a temperature of 60°C with…

A: Given data m=75 kg/sC=4.18 KJ/kgKT2=27°cT1=18°chevap,60=2357.6 KJ/kg

Q: Air is to be compressed steadily and isentropically from 1 atm to 16 atm by a two-stage compressor.…

A: Given data: The pressure of the air at the entry point of compressor is P1=1 atm The pressure of the…

Q: Steam enters an adiabatic turbine steadily at 7 MPa, 500°C, and 45 m/s and leaves at 100 kPa and 75…

A:

Q: An inventor claims that a new refrigerator can operate between -15 o C and 150 o C while removing…

A:

Q: Steam enters an adiabatic turbine steadily at 10 MPa and 650°C and leaves at 70 kPa as saturated…

A:

Q: Air is compressed steadily by a reversible compressor from an inlet state of 100 kPa and 300 K to an…

A: Obtain the pressure ratio.