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A plant has saturated steam available at 2700 kPa, but there is little use for this steam. Rather, steam at 1000 kPa is required. Also available is saturated steam at 275 kPa. A suggestion is that the 275 kPa steam be compressed to 1000 kPa, using the work of expanding of the 2700 kPa steam to 1000 kPa. The two streams at 1000 kPa would then be mixed. Determine the rates at which steam at each initial pressure must be supplied to provide enough steam at 1000 kPa so that upon condensation to saturated liquid heat in the amount of 300 kW is released
(a) If the process is carried out in a completely reversible manner.
(b) If the higher-pressure steam expands in a turbine of 78% efficiency and the lowerpressure steam is compressed in a machine of 75% efficiency. Make a thermodynamic analysis of this process.
Estimate relative errors in the calculation of free carriers concentration when the Maxwell-Boltzman n statistics is applied for semiconductors with Ferm i energy wi thin t
It is desired to use 28.32 m 3 /min of air (metered at a pressure of 101.3 kPa and 294.1 K) in a process. This amount of air which is at rest enters the fan suction at a press
If the gases leave the tower at 6 atm, 25 °C, and are expanded to, say, 1.5 atm, calculate the turbine exit gas temperatures without preheat, and if the gases are preheated
Using the information in the above table to show how the specific volume of each liquid varies with temperature. You should plot a graph for each liquid and use this graph t
Justify based on physical considerations the following statement: "At large distances, the magnetic dipole of the square loop is the same as that of a circular loop of ident
Think about how a growth factor would work to attract the cell to the surface and how these proteins could be anchored to the surface so that this functionality is not compr
The following information for methyl chloride is available: Saturation temperature at 2 bar: - 7 °C.ΔHvap at 2 bar: 21.5 kJ/mol.CP of vapor: 38 J/mol K. Assume CH3 Cl vapo
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