.2 kg/min of air (R=0.287, Cp=1.0062 kJ/kg.K and k =1.4) are compressed isothermally from 30 deg C and 110 kPaa to 500 kPaa using a large water-cooled compressor. If ΔPE=0 and ΔKE=3 kW, draw the process curves on both PV and TS plan

Q: Oxygen (molar mass 32 kg/k moljexpands reversibly in a cylinder behind a piston at a constant…

A:

Q: 200 gram of steam at 200kPa are compressed undergoing isothermal quasi-static process at 200oC until…

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Q: Superheated steam enters turbine at 360 oC and 500 kPa and exits at 8 kPa. Calculate the state at…

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Q: One Kilogram of steam is contained in a piston/cylinder device at 800 kPa and 200°C. (a) If it…

A: Given that: 1 kg of steam is contained in a piston cylinder arrangement at 800 kPa and 200 °C. (a)…

Q: A 15'x12'x15'(LXWXH) room with temperature at 70°F dB and 50°F wB needs SA with air change rate 10…

A: The dimension of the room is 15×12×15 in. The dry and wet bulb temperatures of the room are TR1=70°F…

Q: 2. What is the entropy change of the water, the oven and the universe (in kJ/K) when 1 kg of liquid…

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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: (6)A mass of 1 kg of air is contained in a variable-load piston device equipped with a paddle wheel.…

A: This is a problem of first law of heat and work transfer.

Q: A car wash service uses 150 litre of pressurized (3 bar) warm water (45oC) to wash each car. It…

A: Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

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

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Q: Helium gas expands from 150 kPa, 450 K and 0.5 m3 to 100 kPa in a polytropic process with n = 1.667.…

A: Data given-  P1 = 150 kPa  T1 = 450K  V1 = 0.5 m3  P2 = 100 kPa  n = 1.667

Q: 4-20 A piston-cylinder device contains 0.15 kg of air initially at 2 MPa and 350°C. The air is first…

A: Given:The mass of the air, The initial pressure, The initial temperature, The pressure after…

Q: Question 1: 4-20 A piston-cylinder device contains 0.15 kg of air initially at 2 MPa and 350°C. The…

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Q: A piston-cylinder device contains 0.3 kg of air initially at 2 MPa and 327 °C. The air is first…

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Q: Required information Problem 09.042 - Piston air compression A piston-cylinder device initially…

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Q: s by an adiabatic compressor. If the isentropic efficiency of the compressor is 60%, deteri

A: given data  cp= 5.19 kj/kg k=1.67 p1 = 100 kpa p2 = 600 KPa T1 = 30 degree centrigate compressor…

Q: Helium gas expands from 100 kPa and 350 K and 0.5 m3 to 50 kPa in a polytropic process with n =…

A: Data given-  P1 = 100 kPa  T1 = 350K  V1 = 0.5 m3  P2 = 50 kPa  n = 1.667

Q: Oxygen (molar mass 32 k g / k m o l ) expands reversibly in a cylinder behind a piston at a constant…

A: Given that ,  molar mass of Oxygen =32 kg/kmolConstant pressure = 3.06 bar Initial volume = 0.01…

Q: ketch the process on a T-s diagram. Hint: Friction is the only potential source of irreversibilities…

A: To determine the velocity at the exit of the diffusergiven at inlet conditionspressure temperature…

Q: An ideal gas in a piston-cylinder device is compressed from 100 kPa and 47C to 500 kPa with a Pv 1.4…

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Q: Consider a two-part process with an expansion from 0.1 to 0.2 m' at a constant pressure of 150 kPa…

A: Draw all the processes on a P-V diagram.

Q: Consider the system shown in the figure. When the pins fall away, the gas expands against a constant…

A: Number of moles of the gas, n=10  Initial pressure Pi= 5atm External Pressure Pext = 1 atm T = 300 K…

Q: A piston-cylinder assembly initially contains 473 grams of refrigerant 134a at 400 kPa and 50°C. The…

A: Given:- Refrigerant R134a Initial Condition :  Mass(m) = 473 grams = 0.473 kg Pressure (P1) = 400…

Q: Oxygen (molar mass 32 k g / k m o l ) expands reversibly in a cylinder behind a piston at a constant…

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Q: A piston-cylinder assembly initially contains 100 kPa pressure and 2 liters of air at 25°C. Then the…

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Q: (Section B) A thermodynamic system contains piston-cylinder arrangement with 0.02 m³ of air at 50°C…

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Q: R-134a PV = constant A piston-cylinder contains 0.75 m3 of refrigerant R-134a initially is at 140…

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Q: Assume 2.5 kg of air (R=0.287, Cp=1.0062 kJ/kg.K and k =1.4) at 70 kPaa is compressed to 305 L and…

A: Adiabatic Process: An adiabatic process is a thermodynamic process in which there is no heat…

Q: One kilogram of steam is contained in a piston/cylinder device at 800kPa and 200°C. 1. If it…

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Q: 8.One kg of air is heated in a closed rigid vessel such that its temperature changes from 270C to…

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Q: Problem 7-Analysis of a compressor 0.6 kg/s of CO₂ at 100 kPa and 27°C in an industrial installation…

A: Mass flow rate of CO2, (m) = 0.6 kg/sInlet pressure (P1) = 100 kPaInlet temperature (T1) = 27°C =…

Q: 422. There are 1.36 kg of air at 137.9 kPaa stirred with internal paddles in an insulated rigid…

A:

Q: Estimate the specific heat relationship R = Cp - Cv (kJ/kg°C), for R134a at 0.24MPa and 40°C. Using…

A: Given Data⇒ Refrigerant R-134a Pressure(P)=0.24 MPa Temperature(T)=400C

Q: Oxygen (molar mass 32 k g / k m o l ) expands reversibly in a cylinder behind a piston at a constant…

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Q: 5-120 Consider a 20-L evacuated rigid bottle that is surrounded by the atmosphere at 100 kPa and…

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Q: The power required to compress 0.01 kg/s of steam from a saturated vapor state at 50°C to a pressure…

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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.