An Otto cycle has a compression ratio of 10 and a qout = 1000 kJ/kg. Assuming constant specific heats, what are the thermal efficiency of the cycle and the net specific work (k = 1.400)

Q: The pressure ratio of a gas-turbine power plant operating on an ideal Brayton cycle is 8. The gas…

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Q: volume is 0.8m^3. The net work of the engine is 143 kJ/kg. Calculate the mean effective pressure in…

A: Given data  Maximum volume = 0.8 m3 Compression ratio = 8.24 m3 Wnet= 143 k/kg

Q: An ideal Brayton cycle has a pressure ratio of 7:1. The temperature of the air is 30 UC at the inlet…

A: It is required to determine work ratio for given brayton cycle

Q: of an Otto cycle with a compression ratio of 10?

A: We know that  Efficiency of an otto cycle is = 1-1/r(1.4-1) Where r is the compression ratio 10

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Q: An ideal diesel engine has a compression ratio of 20 and uses air as the working fluid. The state of…

A: The thermal efficiency and the mean effective pressure.Given:The initial pressure of the air is .The…

Q: An ideal Stirling cycle cooler, using helium (considered ideal) as its working fluid, has a…

A: Write the expression for heat absorb in Stirling cycle

Q: What is the thermal efficiency in an otto cycle using air if it has a compression constant of 8?

A: Given, Compression Constant r = 8

Q: operating in an air standard conditions has a peak tempearture of 800C. If the heat added in each…

A: Given data  T3= 800 +273=1073 K Assume inlet temperature = 300K

Q: The air conditioner (a kind of vapour-compression refrigerator) in a 1500-cc car, which works on a…

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Q: heat rate

A: From steam table At 5MPa and 450oCh3=3317.2 kJ/kgs3=6.8210 kJ/kgK Process 3-4 is isentropic…

Q: compression ratio influences the efficiency of this cycle with at least three points.

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Q: An ideal Otto cycle has a compression ratio of 10.5, takes in air at 90 kPa and 40°C, and is…

A: Given data: Compression ratio rp=10.5 Inlet pressure = 90 kPa Inlet temperature = 40o C Need to…

Q: An air standard Ericsson Cycle operates under steady- flow conditions. Air is at 120kPa and 27°C at…

A: Given data: - P1 = 120 kPa                       T1 = 27o C                       Heat rejected (QR)…

Q: A simple ideal brayton cycle with air as the working fluid has a pressure ratio of 10. the air…

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Q: Consider an air standard Otto cycle with compression ratio of 6. At the beginning of compression…

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Q: The OTTO cycle operates with volume of 40 cm3 and 400 cm3 at the top dead center (TDC) and Bottom…

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Q: An ideal rankine cycle operates between the pressures 50 kPa and 7000 kPa. If the turbine outlet is…

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Q: An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air…

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Q: An ideal vapor compression cycle operates between the temperature limits of -5 °C and 30 °c and uses…

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Q: The air conditioner (a kind of vapour-compression refrigerator) in a 1500-cc car, which works on a…

A: Given Data: Work done of Rankine cycle is: W=m˙Rh2-h1=1.5 kJ/s Pressure of air at point 1 is:…

Q: Consider an ideal Otto cycle with a compression ratio of 8. P₁ = 95 kPa, T₂ = 39.93 °C. The maximum…

A: GIVEN DATA- Otto Cycle given Pa=95KPa , Ta=39.93'C , Tc=1200'C We have to find Tb

Q: What is the maximum possible work out (HP) of a Carnot cycle using 0.3 MMBTU/hr of heat input? The…

A: Given data: TL=20 °CTH=500 KQin=0.3 MMBTU/hr   It is required to determine the maximum work output…

Q: the maximum temperature and pressure that occur during the cycle, and the cycle work and the engine…

A: Given: r=10 P1=100 kPa T1=27oC Qin=500 kJ/kg R=287 J/kgK Cp=1000 J/kgK To determine:  the maximum…

Q: For an ideal diesel cycle, the pressure at the beginning and at the end of compression are 98 kPa…

A: Calculate the compression ratio. r=V1V2=P2P11γ=35909811.4=13.09 Calculate the cut-off ratio.…

Q: Apart from vapor compression refrigeration cycles, refrigeration can also be achieved by a gas…

A: Normally, we use vapor compression or vapor absorption cycle to achieve refrigeration. But,…

Q: Required information An ideal Otto cycle has a compression ratio of 8. At the beginning of the…

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Q: An ideal Otto cycle has a compression ratio of 8. At the beginning of the compression process, air…

A: Given:Compression ratio of Otto cycle, r=8Condition at the beginning of the compression, P1=95 kPa,…

Q: ow that the thermal efficiency of the Carnot cycle in terms of the isentropi mpression ratio rk is…

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