Hot combustion gases enter the nozzle of a turbojet engine at 260 kPa, 747°C, and 80 m/s, and they exit at a pressure of 85 kPa. Assuming an isentropic efficiency of 92 percent and treating the combustion gases as air, determine the exit velocity.

Q: An ideal gas (R= 0.2081 kJ/kgK, Cp=0.5203 kJ/kgK, Cv=0.3122 kJ/kgK) is compressed steadily from 100…

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Q: An ideal gas (R= 0.2081 kJ/kgK, Cp=0.5203 ​​kJ/kgK, Cv=0.3122 kJ/kgK) at 90 kPa pressure and 25°C…

A: The function of the compressor is to compress the gas from lower pressure to higher pressure and…

Q: 3. Steam enters an adiabatic turbine at 3000 kPa and 500°C and exits as a saturated vapour at 100…

A: steam enters at adiabatic turbine atP1=3000KPa and temperature(T1)=5000cexit at pressure (P2)=100KPa

Q: A Carnot machine extracts 100 KJ of heat from a reservoir at 800°C and transfers heat to the…

A: let T1 =1073K T2 =293K Q1 =Heat extract from source =100KJ Q2 =Heat given to sink  s1 =Entropy of…

Q: The isentropic efficiency of a nozzle is defined as the ratio of the actual kinetic energy of the…

A: The isentropic process is the process in which entropy of the fluid remains constant. The isentropic…

Q: A Carnot engine delivers 130 kW of power by operating between temperature reservoirs at 160°C and…

A: GivenPower P=130kWT1=160oC=160+273=433KT2=1660oC=1933Kt=26min =26×60 s

Q: Hot combustion gases enter the nozzle of a turbojet engine at 250 kPa, 650°C, and 70 m/s and exit at…

A: Given data as P1=250 kPaT1=650 °C=923 Kv1=70 m/sP2=80 kPaT2=420 °C=693 Km˙=1.2 kg/sQloss=90 kW=90000…

Q: 3. Air enters a compressor steadily at the ambient conditions of 118 kPa and 25°C and leaves at 888…

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Q: A well-insulated compressor takes air at 320 K and 100 kPa and increases its pressure to 418 kPa in…

A: According to the steady state energy equation (SEEE) for compressor  work done or power output = W =…

Q: In a centrifugal compressor, the atmospheric air enters at 28°C and leaves at 110°C and 2 bar.…

A: The answer is provided below.

Q: The pressure and temperature of air change from (7.000x10^0) bar to (1.50x10^0) bar and from…

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Q: 19. Which one of the following values most accurately represents the maximum power that could be…

A: 19.The pressure, P = 1.5 MPaThe temperature, T = 600 KThe mass flow rate, m = 5 kg/sThe speed, u =…

Q: Water vapor enters an isentropic turbine at a flow rate of 1 kg/s, a temperature of 500 °C and a…

A: Rankine Cycle: It is thermodynamic cycle which describing the process which useful for power…

Q: t engine, the emitter, compressor, turbine and nozzle operate at isentropic pressure, while the…

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Q: Steam flows isentropically through a nozzle from 1500 kPa, 288 to 960 kPa. For 454 g/s determine…

A: Given data as per question Initial pressure =1500 kpa Initial temperature =2880 c Final pressure…

Q: Q1. In an adiabatic turbine steam enters at 45 m/s, 7 MPa and 500°C as shown in Figure Q1. The…

A: from the A-6 steam table we have to determine the initial enthalpy and entropy with the given…

Q: A cycle receives 450 kJ of heat from a reservoir at 278 K, receives some work from the surroundings,…

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Q: A rigid container contains 10 kgs of air at 100 kPa and 22°C. A 1-kW heater is placed in the…

A: Given data:- A rigid container mass of air =10 kg Pressure =100 kPa Temperature =22 °C =295 K…

Q: If you know that the change in entropy of a system where heat was added is 12 J/K, and that the…

A: To Find :  The amount of heat added to the system . Given : The change in entropy is ∆s=12 Jk. The…

Q: - In a compressor, air enters at 100 kPa and 20 ° C and leaves the compressor at 1200 kPa and 300 °…

A: Given Data→ Topic - Compressor Temperature and pressure at the entry point T1 = 200C =293 K P1=100…

Q: Saturated steam at 200 kPa expands in an adiabatic nozzle at an inlet velocity of 5 m/s to an exit…

A: given data- P1 = 200 kPa (saturated steam) P2 = 100 kPa (quality of steam x = 0.95) to determine-…

Q: The pressure and temperature of air change from (5.5000x10^0) bar to (1.00x10^0) bar and from…

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Q: What is combustion? Why is it important? Explain its application in gasoline and diesel engines

A: When the hydrocarbon reacts with the oxygen a chemical reaction takes place and this process is…

Q: Required information NOTE: This is a multi-part question. Once an answer is submitted, you will be…

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Q: Air enters an adiabatic turbine at 2200 kPa, 1640 K and 42 kg/s. It exits at 95 kPa and 880 K.…

A: Given: The initial pressure and temperature are P1=2200 kPa and T1=1640 K. The final pressure and…

Q: An adiabatic expansion of air occurs through a nozzle from 828 kPa and 71°C to 138 kPa. For an…

A: GIVEN DATA INTIAL PRESSURE P=828KPa INTIAL TEMPRATURE T=71'C FINAL PRESSURE P=138KPa WE HAVE TO…

Q: Consider an isentropic steam turbine shown in Figure 2. Steam at 6 MPa  and 400℃ is supplied to the…

A: As per company policy, we are restricted to solve first three subpart of one question. Thanks for…

Q: Consider the compressor of a gas turbine engine which compresses air from 300 K and 100 kPa to 700…

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Q: 8 Air enters an ideal (reversible, adiabatic) turbine at 200 psia and 1000°F and exits at 14.7 psia.…

A: Given data, Adiabatic Reversible process INLET: P1 = 200 psia T1 = 1000°F = 810.928 K EXIT: P2 =…

Q: Considering now the real case, where the turbine and feed pump are not isentropic, and the feed pump…

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Q: Air enters an isentropic compressor at a mass flow rate of 0.1 kg/s at 0.1 MPa and 27 oC, and it…

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