A well-insulated rigid tank contains 6 lbm of a saturated liquid–vapor mixture of water at 35 psia. Initially, three-quarters of the mass is in the liquid phase. An electric resistance heater placed in the tank is turned on and kept on until all the liquid in the tank is vaporized. Assuming the surroundings to be at 75°F and 14.7 psia, determine the exergy destruction.

Q: Two rigid tanks are connected by a valve. The left tank is filled with 8.6 ft of air initially at 22…

A: Given Pressure, PA = 22 psia               PB = 17.3 psia Volume, VA = 8.6 ft3               VB =…

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: 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: A well-insulated 3-m 3 4-m 3 6-m room initially at 7°C is heated by the radiator of a steam- heating…

A: To find Determine the average temperature of the air after in 45 min.GivenThe volume of the room,…

Q: An insulated rigid tank contains 5kg of air (an ideal gas) at 25C and 100kPa. A paddle wheel inside…

A:

Q: Hot combustion gases enter the nozzle of a turbojet engine at 250 kPa, 650°C, and 70 m/s and exit at…

A: Given data as P1=250 kPaT1=650 °C=923 Kv1=70 m/sP2=80 kPaT2=420 °C=693 Km˙=1.2 kg/sQloss=90 kW=90000…

Q: Steam enters an isentropic turbine at 4 MPa. X percent (by mass) of the steam exits the turbine at…

A:

Q: Exergy Destruction during Expansion of Steam. A piston-cylinder device contains 0.05 kg of steam at…

A: Given   Mass, m = 0.05 kg   Heat, Q = 2 kJ           T1 = 300 K Find   Exergy destroyed, x…

Q: Steam enters an adiabatic turbine steadily at 4 MPa and 500°C at a rate of 6 kg/s and exits at 0.3…

A:

Q: An engineer has designed a steam turbine that has to satisfy at least 85% isentropic efficiency. The…

A: At entry :-4MPa,400° CAt exit:-100kpa, 100° C

Q: pom has a 250 W re c resistance heater. iCe it is observed t

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: 3. Consider a well-insulated horizontal rigid cylinder that is divided into two compartments by a…

A: The molecules in an ideal gas doesn't interact with each and they continuously undergo collisions…

Q: Steam enters an isentropic turbine at 4 MPa. X percent (by mass) of the steam exits the turbine at…

A:

Q: A steam coil (used for heating) has a volume of 20 L and is filled with steam at 200 kPa and 250 °…

A:

Q: Air contained in a rigid volume of 0.5 m³ and initially at 400 kPa and 57°C receives 200 kJ of work…

A: Given data:

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

A:

Q: For a closed system, show that the total work for a reversible adiabatic process, (PV^k = C) is…

A:

Q: In a piston-cylinder system, there is 3 kg of refrigerant-134a initially at 1.2 MPa and 50°C. The…

A: The mass of refrigerant is .The initial pressure of refrigerant is .The initial temperature of the…

Q: Refrigerant 134a was added into the repaired compressor. Subsequently, the inlet of the compressor…

A: Given data, Inlet condition of refrigerant (State 1):- Pressure = 0.1 MPa, Temperature = 30 °C Exit…

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: as at 500 kPa and 80°C while the other side contains 1 m³ of Helium gas at 500 Pa and 25°C. Now…

A:

Q: Describe the isentropic process involves no irreversibilities and serves as the ideal process for…

A: In the study of thermodynamics, the word isentropic process is an idealized thermal process that is…

Q: Consider steady heat transfer through a 5-m 6-m brick wall of a house of thickness 30 cm. On a day…

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Q: Q1/B/ Refrigerant-134a is to be compressed from 0.14 MPa and 10°C to 0.4 MPa and 40°C steadily by a…

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

A: Given, P1 = 100 kPa  T1 = 300 K P2 = 0.8 MPa = 800 kPa Isentropic Process

Q: Oxygen gas is compressed in a piston–cylinder device from an initial state of 12 ft3 /lbm and 75°F…

A: Given data: The characteristic gas constant for oxygen is The specific heat at constant volume for…

Q: Three kilograms of water in a piston-cylinder assembly, initially at 100 kPa and 75°C, are heated at…

A: we know thatPV=mRTfor state 1,substitute 100kpa for P,m=3R=461.89j/k…

Q: Air is compressed by an adiabatic compressor from 95 kPa and 27°C to 600 kPa and 277°C. Assume…

A: We have to find isentropic efficiency of the compressor

Q: Refrigerant-134a enters an expansion valve at 1200 kPa as a saturated liquid and leaves at 200 kPa.…

A: Given Refrigerant = 134 a Expansion valve pressure = 1200 kPa Outlet pressure of expansion valve =…