The exhaust nozzle of a jet engine expands air at 300 kPa and 180C adiabatically to 100 kPa. Determine the air velocity at the exit when the inlet velocity is low and the nozzle isentropic efficiency is 96 percent.

Q: Consider the steady adiabatic flow of an incompressible fluid. If the temperature of the fluid…

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Q: Explain Adiabatic Processes for an Ideal Gas?

A: The first of law of thermodynamics can be expressed as below, Where dQ represents the change in…

Q: A car tire contains 0.0380 m3 of air at a pressure of 2.20×105 N/m2(about 32 psi). How much more…

A: The ideal gas law is given by, PV=nkT The internal energy is given by, U=52nkTU=52PV

Q: To pump air into a tank, measured at 5.92 × 10^5 Pa gauge pressure, a cylindrical air pump with a…

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Q: Calculate the net work output of a heat engine following path ABCDA in the figure below.

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Q: 6. 0.5 moles of an ideal monatomic gas expands adiabatically while doing 1,500 J of work on its…

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Q: What is the carnot efficiency of a heat engine operating between the temperatures of 300C (573K) and…

A: Carnot efficiency is the theoretical maximum efficiency of a heat engine.

Q: As an adiabatic expansion of air occurs through a nozzle from 828 kPa and 71°C to 183 kPa. The…

A: Given,pressure, P1 = 828 kPapressure, P2 = 183 kPaTemperature, T1 = 71°CThe process is adiabatic…

Q: A thermally insulated cylinder is filled with an ideal monatomic gas and covered with an insulating…

A: The cylinder and friction less piston is thermally insulated. From gas law PV=nRT Rearrange V=nRTP…

Q: The temperature of n moles of an ideal gas changes from T1to T2 in a quasi-static adiabatic…

A: Given The number of moles of an ideal gas is n. For the quasi-static adiabatic transition the heat…

Q: To pump air into a tank, measured at 5.92 x 10 Pa gauge pressure, a cylindrical air pump with a…

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Q: Air in a piston cylinder occupies 0.12 cubic meter at 552 kPa. The air expands in reversible…

A: Given: The intial volume is 0.12 m3. The initial pressure is 552 kPa. The final volume is 0.24 m3.…

Q: Consider the steady adiabatic flow of an incompressible fluid. Can the temperature of the fluid…

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Q: Hot combustion gases enter the nozzle of a turbojet engine at 260 kPa, 747C, and 80 m/s, and they…

A: The initial pressure,   The final pressure,

Q: Helium is used in the Carnot engine where the volumes beginning with constant temperature heat…

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Q: Derive a formula for the amount of work that a 1 kg air parcel performs when lifted from mean sea…

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Q: In an adiabatic process, 550 J of net work is done on a gas to significantly reduce its volume.…

A: Given Net work done on the gas= 550 J Process is adiabatic

Q: A car tire contains 0.0380 m3 of air at a pressure of 2.20×105 N/m2 (about 32 psi). How much more…

A:

Q: What happens to the internal energy of a gas during an adiabatic expansion?

A: In an adiabatic process, there is no heat transferred.

Q: The entropy of steam will (increase, decrease, remain the same) as it flows through an actual…

A: The actual adiabatic turbine is never reversible process.

Q: A car tire contains 0.0380 m3 of air at a pressure of 2.20 × 105 N/m2 (about 32 psi). How much more…

A: Given data The volume of the tire is V=0.0380 m3 The initial pressure is P1=2.20×105 N/m2 The final…

Q: Explain why the temperature of a gas increases when it iscompressed adiabatically

A: Adiabatic compression

Q: An ideal gas (v= 1.4) Volume 2 m3 and if is compressed to 4x106 Pa adiabatic at Volume 0.5 m3.…

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Q: What is the ideal efficiency of an automobile engine that operates between the temperatures 600C and…

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Q: P (10° N/m) PA P3 A D Po V8 V (10° m) VA

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Q: Air enters an adiabatic nozzle at 60 psia, 5408F, and 200 ft/s and exits at 12 psia. Assuming air to…

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Q: The compressibility k of a substance is defined as the fractional change in volume of that substance…

A: Given data The compressibility is, k=-1/V(dV/dP) The pressure is, P =2atm Step 1 (a) The negative…

Q: In an adiabatic reversible process, the Heat (Q) is equal to zero A) Yes B) No It depends D…

A: Solution: Adiabatic reversible process is also known is isentropic process in which entropy remains…

Q: One mole of air undergoes a Carnot refrigeration cycle. The hot reservoir is at 25o C and the cold…

A: The equation for the coefficient of performance of Carnot refrigeration cycle is

Q: What happens when an ideal gas is compressed adiabatically (Q = 0)?

A: Adiabatic compression

Q: The piston is compressed with gas in two ways - once isothermal, the second adiabatic. In which case…

A: The final pressure is higher in adiabatic process.

Q: Does a gas do any work when it expands adiabatically? If so, what is the source of the energy needed…

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Q: the work done during

A: The expression for the work done during an adiabatic process. Adiabatic process:- The thermodynamic…

Q: Calculate the heat Q produced during the isobaric cooling process of ideal gas sample with adiabatic…

A: Given data: Adiabatic coefficient, γ=1.4 Work done by compression, W=16 J Our question is to find…

Q: When a system is adiabatic, what can be said about the entropy change of the substance in the…

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Q: A car tire contains 0.0380 m3 of air at a pressure of 2.20 × 105 Pa (about 32 psi). How much more…

A:

Q: Combustion gases enter an adiabatic gas turbine at 1540F and 120 psia and leave at 60 psia with a…

A: Using air table and isentropic relation,

Q: A real process may be nearly adiabatic if it occurs over a very short time. How does the short time…

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Q: Calculate the work produced, in Btu/lbm, for the reversible steady-flow process 1-3 shown in Fig.…

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Q: A sample of gas expands from an initial pressure andvolume of 10 Pa and 1.0 m3 to a final volume of…

A: The expression for the work done can be written as,

Q: A blower handles 2 kg/sec. of air at 30°C and consumes 40 kW power. The inlet and outlet velocities…

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Q: The cylinder contains 5 kg of water at just under 100◦C. The cylinder has aradius of r = 7.50 cm,…

A: Given:  Mass of piston, m1 = 2 kg mass of water inside the cylinder m2 = 5 kg Radius of cylinder, r…