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a kitchen contains a standard refrigerator and a window air conditionernbspthe refrigerator operates at steady state
if the isentropic efficiency of the compressor is 72 and the pressure ratio is 221 for an inlet pressure and
describe a physically-plausible situation where the reynolds number is a 1 b 10000 c 1000000 for flow in
for flow of viscous fluids through a 5 cm diameter pipe for what flow rate in m3h would we expect transition to
a dam spillway is tested with a 130th scale model matching the froude number the flow over the dam has an average
a model of an airplane is to be tested at 20degc in a wind tunnel the model is built to 112th scale in order to match
a deep freezer for hazardous chemicals is to be maintained at -20of to insure a safe environment for the chemicals the
a stream containing 57 mol n-octane and the remainder ethylene is to be separated by flash distillationnbsp the molar
a feed that is 50 mol methane 10 mol n-butane 15 mol n-pentane and 25 mol n-hexane is flash distilled f150 kmolh drum
calculate the cost per piece of a milling operation that is used nbspto machine a pocket of 2rdquox3rdquox05rdquo
what is the thermal and mechanical efficiency for this engine when used as heat pump and refrigerator with the
a water pump is required to pump 023ft3sec of water at 60f at atm up to 100psi gage of the pump has an estimated
heat in the amount of 100 kj is transferred directly from a hot reservoir at 1200 k to a reservoir at 600 k calculate
air at 147 psia and 70 degrees fahrenheit is compressed adiabatically by a centrifugal compressor to a pressure of 100
a one dimensional wall of material kw10wmk is 50 mm thick with uniform heat generation qlsquolsquolsquo5106wm3 the left
saturated liquid water is compressed from 100 kpa state 1 to 25 mpa state 2 in an adiabatic pump having 85 isentropic
in the large scale manufacturing of jaguar bold blue bouncy balls jb4 for children it is important that their material
a stream of gas flowing at 15000 scfm contains 20 ppm of toluene assuming the process operates 8500 hours per year
estimate the concentration in ppm and the mass emission rate of nox in kghr expressed as no if a coal containing 15
a 500 mw coal-fired power plant is burning coal with a heating value of 12000 btulb the coal contains 20 sulphur the
an alcohol manufacturing facility emits air with 500 ppm ethanol the air flows out several roof vents at a total flow
assume that for a tensile test dtdt tnbsp when necking begins based on this condition determine the true strain at the
steam enters a two-stage adiabatic turbine at 8 mpa and 550ordmc state 1 and is expanded to 2 mpa state 2 in the first
a tensile sample of width 10mm contains an internal crack of length 03mm when loaded in tension the crack suddenly
water initially a saturated vapor at 150 degrees celsius is contained in a piston-cylinder assembly the water undergoes