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A turbine receives 10 kg/s of steam at a state of p1 = 5 bar, t1 = 400?c and exhausts to a pressure of p2 = 1.5 bar. The ambient temperature is t0 = 300c and the ambient pressure is p0 = 1 bar. What is the rate of work if isentropic efficiency is 75%?
Consider a power plant operating on an ideal Rankine cycle without feed water heating. Steam enters the turbine saturated at 1000F at the rate of 5 x10 lbm/H. The turbine exhausts to a surface condenser at 1 psia. The condenser has an overall heat tr..
Hydrogen flows through a horizontal insulated duct. At section1 the enthalpy is 2400 btu/lbm, the density is .5 lbm/ft^3 and the velocity is 500 ft/sec. at at downstream section, h2= 2240 btu/lbm and density2= .1 lbm/ft^3. No shaft work is done. Dete..
During some actual expansion and compression processes in piston-cylinder devices, the gases have been observed to satisfy the relationship PVn= C, where n and C are constants. Calculate the work done when a gas expands from 350 kPa and 0.03 m3 to a ..
a flow of 0.5 kgs superheated steam at 5 mpa 400c and a flow of liquid water at 5 mpa 40c are mixed. if saturated
experiments have been conducted on a steel vertical flat plate 130 mm in width and 160 mm long. the plate is heated
100 kmol/h of biogas (75 mol% CH4 and 25 mol% CO2) is produced in a digester and is drawn off from the headspace under a slight vacuum and piped to a natural gas burning boiler. A slight leak develops in the pipe allowing air (79 mol% N2 and 21 mol% ..
a certain material 2.5 cm thick with a cross-sectional area of 0.1 m2 has one side maintained at 35oc and the other at
coming out of a factory chimney are the following gases co2 so2 o2 n2 h2o with volume percentage to be 13.5 0.3 5.2 76
the angle between the direction of motion of a conductor and the lines of flux is 30deg. the length of the conductor in
Five kilogram of saturated water vapor at 300 kPa is heated at constant pressure until its temperature reaches 200oC. Calculate the work done by the steam during this process.
calculate the partial pressure and gas-phase concentration in ppm of ethanol in air when air at 18 psi is bubbled
on an overflow structure of 50 degrees slope the water depth measured normal to the surface of the structure is 1.2 m 4
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