A 1m3 tank contains 4kg of air which have undergone a constant pressure process at 728kPa to a state where the final temperature is 520°C. Find the change in enthalpy. a. 586.5167kJ b. 638.8767kJ c. 666.8767kJ d. 656.5167kJ

Q: Air at 1000 Co, 1.0 MPa expands in a polytropic process with n = 1.3 to a pressure of 250   kPa.…

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Q: 1. One kg of air is heated and compressed in a piston/cylinder system from 400 K, 100 kPa to 1200 K,…

A: For the solution refer below images.

Q: A spring-loaded piston-cylinder device contains of m= 1kg carbon dioxide. Initially, the spring has…

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Q: at 31oC and 350 kPa undergo an isothermal process until the pressure becomes 100 kPa. Find the work.…

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Q: Thermodynamics problem. A 5m3 rigid container containing water of 80% quality and a pressure of…

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Q: During an isentropic process of 3 lb/sec of air, the temperature increases from 50 deg F to 290 deg…

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Q: 1. Find enthalpy if 5kg of certain gas go through a reversible non flow that has constant pressure…

A: Given Data: Mass of the gas, m=5 Kg The pressure of the gas, P=700 kPa

Q: A 4 m3 cryogenic storage tank contains nitrogen at 110 K, with quality 25%. Saturated vapor is now…

A: Given dataV=4m3T=110Kx1=25%=0.25x2=0.65 Nitrogen

Q: A piston-cylinder device contains 0.8 kg of steam at 320° C and I MPa. Steam is cooled at constant…

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Q: a polytropic process of air from 150 psia, 300 °F, and 1 ft occurs to p2 = 20 cordance with pV3 C.…

A: Hi and thanks for the question. Since you have asked questions with multiple sub-parts, we will…

Q: 3 kg air with initial temperature of 200°C expands at a constant pressure of 4 bar to reach to a…

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Q: Q2/ The sensible heat of 500 kW is required to be added to the saturated air at 10 °C dry-bulb…

A: The sensible haetAnd air is saturated at 10 degree dry bulb temperature.Volume flow rateFrom the…

Q: With 3% moisture, 2.5 kg of steam has an enthalpy of 6,600 kJ. It is heated at constant pressure to…

A: Given Data  Moisture = 3% Steam, 2.5 Kg  enthalpy, h=6600 KJ pressure = constant Final condition…

Q: evice contains of m=1kg carbon dioxide. Initially, the spring has no force on the piston and , , .…

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Q: Determine the following of water at 300o C and 10 bar relative to water at 200o C and 60 bar.…

A: Given Data T1=300°CP1=10barT2=200°CP2=60bar

Q: Refrigerant R134a in piston cylinder assembly, 200 kPa in initial state pressure and in the form of…

A: Dryness fraction or quality is a parameter of the saturated vapor which is defined as the mass of…

Q: A spring-loaded piston-cylinder device contains of m=1kg carbon dioxide. Initially, the spring has…

A: I have applied the first law of thermodynamics to solve the given question. Since it was given that…

Q: One kg steam expands isentropically from 2.1 MPa and 374 deg C to 93 deg C. Find the final quality…

A: Given Data State 1: 2.1 MPa, 374°C State 2: 93°C

Q: QU/A piston-cylinder device with a set of stops initially contains 300 g of steam at 1000 Kpa and…

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Q: 3. Ammonia at 20°C with a quality of 50% and a total mass of 2 kg is in a rigid tank with an outlet…

A: Given DataT1 = 20°Cx = 50%m = 2 kgTo find the vapor mass removed through the value until the liquid…

Q: Steam undergoes an isentalpic (h=C) process from 1.5MPa, 350°C to 10MPa. Find the final temperature…

A: Given,  P1 = 1.5 MPa = 15 bar T1 = 350 * C P2 = 10 MPa =100 bar

Q: a- What is the final pressure and the specific work done during the process? b- Draw the process on…

A: Temperature is given as 200 oC. Quality is given as 50 %. Water contracts isothermally to half of…

Q: Steam at 3.8 MPa with twenty five percent moisture undergoes a constant pressure process until the…

A: Given:The pressure of the steam, The dryness fraction, The final temperature of the steam,

Q: Two tanks connected with each other as shown. The first one has 2 kg of water at P-200 kPa, V, = 1…

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Q: conduit connects two receptacle of different size. A valve is used at each end which can be opened…

A: Given: VA=300 L=0.3m3 PA=4200 Kpa TA= 82oC=355k PB=75 Kpa TB= 9oC=282k P2=2400 Kpa T2= 52oC=325 k…

Q: Q2: A piston/cylinder initially contains air at 150 kPa, 400°C. The setup is allowed to cool to the…

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Q: What's the total boundary work   _____kJ ?

A: It is given that mass of carbon dioxide (m)= 1 kg Initial pressure (P1) = 500 KPa Initial…

Q: A rigid 11-L vessel initially contains a mixture of liquid, water and vapor at 105o C with 10.9…

A: Given data: Volume of the vessel, V = 11 litres Initial quality , x1 = 0.109 Initial temperature,…

Q: 1 A spring-loaded piston-cylinder device contains of m=1kg carbon dioxide. Initially, the spring has…

A: following is the solution to the above problem-

Q: Q2: Determine the mass of steam at 4 Mn/m2 and specific enthalpy 2600 kl/kg originally, the steam is…

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Q: 2.A piston cylinder arrangement contains steam at 10MPaa saturated liquid. Heat was transferred…

A: PHigher =10 Mpa or 100 bar Plower=2 Mpa or 20 bar Now with the help of steam table we need to…

Q: A rigid tank contains 0.5 kg of moist air at 1.034 MPa, 160 C, and φ = 100%.  We now cool the tank…

A: Write the given data. m=0.5 kgPt=1.034 MPaT1=160 °Cϕ=100 %T2=82 °C

Q: A conduit connects two receptacle of different size. A valve is used at each end which can be opened…

A: Given First receptable Temperature Ta = 82o C = 82+273 =355 kPresuure Pa = 4200 KpaVolume Va = 300…

Q: 20. A tank contains 5kg of an ideal gas at 8atm and 60°C. A valve is opened and the mass of the gas…

A: given data - initial condition: mass of the gas m = 5 kg the pressure of  gas P1 = 8 atm  the…

Q: 91; 100 m² of air per minute at 30 C° DBT and 60% RH is cooled to 20 CDBT by passing through a…

A: Given: Initial dry bulb temperature→DBT1=30°C Relative humidity→RH=60% From the psychrometric chart…

Q: Calculate the quality of ammonia at state 2 using the relation, v; = (v; ), +x (va), 0.04 = 0.00168…

A: please put the question

Q: A 60-liter rigid tank with adiabatic walls is divided into equal parts A and B by partition. On one…

A: Given that: Total volume of the rigid tank with adiabatic walls = 60 liters The tank is divided into…

Q: An insulated chamber containing 2 L of saturated liquid water at 300 kPa constant pressure. There is…

A: The water is stirred and heated in an insulated chamber. The water is evaporated by heating using an…

Q: 0.2Kg of gas at 100⁰C is expanded isothermally and reversibly from 1MPa pressure to 100KPa. Take…

A: For isothermal process Q= delta U + W Delta U =0 because T1=T2 Q = W

Q: Eample (2.5): A piston-cylinder device containes waterat 325kPa with quality 0.4. Find the…

A: From the saturation properties of the steam The temperature at the pressure of 325 kPa is 136oC Now…

Work and Heat Transfer

It is generally related to thermal engineering which tells about the use, creation, conversion and transfer of heat energy between the systems. It is also considered that to transfer heat from one source to another, transfer of masses is also required. There are various mechanisms by which, transfer of heat takes place i.e. thermal conduction, convection, radiation or by change of phase. All these mechanisms have their own specific features which sometimes occur simultaneously within the same system.