0.75kg of air has a pressure of 3bar and a temperature of 125oC , After it has received 900kj of heat at constant volume, find the final temperature and pressureIf the air then expands adiabatically doing 915kj of work,by how much is its internal energy changed during the expansion(b) is the value lower or higher before the heating process

Q: a new refrigerant, R-125 is stored as liquid at -20°c with a small amount of vapor. For 1.5kg of…

A: The new refrigerent R 125stored as liquid  at T=-20oCm=1.5 kgTo find pressure P=?volume V=?

Q: Q3: A cylinder fitted with a piston has initial volume (0.5 m') and contain air at (140 kpa) and (25…

A: Given data as per question Initial volume  of air = 0.5 m3Initial  Pressure  of air=140 kpawork done…

Q: Air is contained in a piston cylinder arrangement shown in the figure. Initially the air is 200 kPa…

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Q: A vertical, frictionless piston-and-cylinder arrangement contains 2 lb of steam at 400 psia, 500°F.…

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Q: Piston Water A piston cylinder system initially contains 2.0 kg of water at 0.3 MPa ad 20% quality.…

A:

Q: A piston/cylinder has a water volume separated in VA = 0.3 m³ and VB = 0.4 m by a stiff membrane.…

A: Given Area A  VA= 0.3 m3 PA= 1000 kPa x = 0.8 Area B VB= 0.4 m3 PB= 1500 kPa T=250oC To find Final…

Q: A 2kg steam was in a piston cylinder with pressure of 1 MPa and 200°C.Heat transferred isobarically…

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Q: A cylinder fitted with a piston have two stopped as shown in fig. The cylinder full with steam at…

A: Given data: The initial pressure in the tank is, P1=400 kPa. The initial temperature of the tank…

Q: 3. The piston/cylinder setup as shown in the figure contains 0.1 kg of water at 1000 kPa, 500°C. The…

A: According to the information we have a piston that contains 0.1 kg water at 1000 kPa, and…

Q: A piston-cylinder set up contains 0.015 kg of an ideal gas at a volume of 1 liter, a temperature of…

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Q: Find the work done when all the water has been pushed out.

A: Given: A=0.1 m2 T1=300 K V1=0.3 m3 P0=100 kPa vf=0.100 m3/kg TO determine: The workdone

Q: An elastic balloon behaves such that pressure is proportional to diameter and the balloon contains…

A: Given: Pressure is proportional to the diameter of the balloon. Mass of the air is 0.5 kg.  Initial…

Q: A cylinder contains fluid under pressure 700KN/m2. The process is done under constant pressure from…

A: Given :- Pressure ( P) = 700000 N/m2 Initial volume (v1)=0.25 m3 Final volume (v2)= 1.67 m3 To find…

Q: MPa and x=40% inside the piston cylinder. There is a 30C superheat introduced in steam…

A: Mass = 4 kgs Pressure = 1 MPa      saturation temperature corresponding to this pressure = 179.88 C…

Q: A. Two kg of steam with a quality of 22 percent is heated at a constant pressure of 300 kPa until…

A:

Q: 3kg of Co2 expanded in a stationary piston cylinder through a polytropic process from 30 degree…

A: T1= 30+273= 303K, m=3kgP1=250KPa, P2=100KPan=1.45T2T1= 1002501.45-11.45=228.014KTotal Work, W=…

Q: of steam expands isentropically from 2.5mpa and 300 degrees to 0.95mpa.find the final quality

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Q: -work and change

A: Find Work &  change in internal energy

Q: Ammonia (an ideal gas) is contained in a 1.5 cubic meter pistion. Initially it is 200kPa 20C but it…

A: givenideal gas =ammonia initial volume V1=1.5m3initial pressure P1=200kPainitial temperature…

Q: Water at 2.5 MPa and 200 degree celcius is heated at constant temperature up to 80% quality. Find…

A: Answer: (a)The quantity of heat received by the water is 1551.8 kJ/kg. (b) The work in non-flow…