TRUE or FALSE. No need explanation  1. The COP of a Carnot Cycle Heat Pumup is always >1 2. Subcooled liquid properties can be approximated by determinging the saturated liquid property at the given pressure. 3. all steps of the Rankine cycle are isentropic 4. For an isochoric state change, the moving boundary work is zero.

Q: a three-process cycle of an ideal gas, for which c, = 1.064 and dc, = 0.804 kj/kg.kº, is initiated…

A: Given  Specific heat at constant pressure = 1.064 kJ/ kg  Specific heat at constant volume =…

Q: s, please help

A: R-134aP1=4 barP2=10 barT2=90°Cm˙=7kg/minPin=10.85kW˙ To-Find:- Qcv˙=?

Q: A- Define the following with mathematical expression if needed: 1- Closed system, 2- Cycle, 4-…

A: The given question is

Q: A piston-cylinder device contains 0.1 kg of a certain gas (R = 300 J/kg.k, Cv=810 J/kg.k, Cp = 1180…

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Q: Air enters an insulated turbine operating at steady-state at 500 kPa, 607 oC, and exits at 100 kPa,…

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Q: 6.69 WP Refrigerant 134a is compressed from 2 bar, saturated vapor, to 10 bar, 90°℃ in a compressor…

A: (a) Write the given data. P1=2 barP2=10 barT2=90 °Cm˙=7 kg/minW˙in=10.85 kW

Q: Consider the following reversible and steady state processes conducted either by pumps or by…

A: process (i) is steady reversible pumping of an incompressible fluid for which work is given as:…

Q: A- Define the following with mathematical expression if needed: 1- Closed system, 2- Cycle, 4-…

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Q: EX Example 8.14 bar and 25°C and compresses it to 8 bar and 160°C. Heat transfer from the compres-…

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Q: 4. At 120 °C, at 60 kPa pressure and 0.2 volume of air, a constant volume of air is heated…

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Q: model with k= 5/3. Ignore the effects of motion and gravity. Let T,=20 °C, Po=1 bar a) What are the…

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Q: a b) Exercise 1. A.6 Determine the work Involved of ideal by 2 litres. gas maintained at 25°C under…

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Q: A system is being constructed to separate 1 kg/s of a gas assumed to be 20% oxygen and 80% nitrogen…

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Q: 5. A three-process cycle of an ideal gas, for which C, = 1.064 and C, = 0.804 k]/kgm K, is initiated…

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Q: (4). Suppose we take n moles of a monatomic ideal gas through the following reversible cycle: AB is…

A: a) P-v diagram of given process:- b) For isobaric process AB:- Heat flow from A To B as constant…

Q: 1. A tank operating at steady state condition receives at inlet 1, water at 10 bars, 150°C, 2 liters…

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Q: Superheated steam at 90 bar, 625 °C (State 1) undergoes a 3-step process: (i.) First, it is…

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Q: work developed per kilogram of air,

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Q: 4. In part of a Carnot cycle, water undergoes two internally reversible processes shown in the…

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Q: Entropy is maintained constant in process. O a. Isothermal O b. Isobaric O c. Isochoric o d.…

A: Entropy: It is a measure of unavailable energy for doing work (thermal energy per unit temperature)…

Q: A volume of 0.03 m' of O, mi larally at 220 F and pressure 4 bar is compressed reversibly at…

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Q: 5) For water P= 125 KPa, h= 2685.4 Kj/kg O Mixture O Saturated vapor O Saturated liquid Superheated…

A: For water at P = 125 kPa, Enthalpy = h = 2685.4 kJ/kg From the saturated water- Pressure table, we…

Q: An ideal gas changes reversibly and quasistatically from state i to state f along paths iaf and ibf.…

A: Given data: heat added along iaf, Qiaf = 50 cal work done by the gas along iaf, Wiaf =22.2 cal heat…

Q: 02/ A metal with 1.5T, k cooled to 300 k by transferring heat to environment at T = 27" Describe the

A: givenInitial temperature of the T1=1.5TK=1.5×300=450KEnvironment temperature T=300Kweight of metal…

Q: Thermodynamie Keys 91. A closed system undergoes a process in which the work is done by the system…

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Q: Prof that for adiabatic process Closed system: W=RT,

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Q: Steam enters an adiabatic turbine at 4 MPa, 800K and exits at 8 kPa, 90% quality. Assuming steady…

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Q: An ideal gas, Cp=(5/2)R and Cv=(3/2)R, is changed from P = 1 bar and V₁ = 12 m³, to P₂ = 12 bar bad…

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Q: Water within a piston-cylinder assembly, initially at 10 lbf/in.2², 350°F, undergoes an internally…

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