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A stream of gases at 7.5 bar, 750 ºC and 140 m/s enters the turbine of a jet engine. The stream comes out of the turbine at 2.0 bar, 550 ºC and 280 m/s. The enthalpies of the gas at entry asnd exit are 950 kJ/kg and 650 kJ/kg respectively. If the gas flow rate is 5 kg/s, what is the work output from the turbine?
air enters a compressor at 300 k and 100 kpa at a volumetric flow rate of 4 m3s. the air is compressed such that the
twenty pounds of a gas mixture is contained in a tank with volume 30 cubic feet at 30 psia and 70 f. the gas mixture
a closed well-insulated tank contains 0.15 kg of liquid water. the tank base is a copper plate of mass 0.25 kg that
motion with wind stress rotation and friction in the following you may use these values if neededmiddot density
(a) Sketch the cycle on a p V diagram. (b) Calculate the net work for the cycle, in kJ. (c) Calculate the heat transfer for process 2 3, in kJ. (d) Calculate the heat transfer for process 3 1, in kJ. (e) Is this a power cycle or a refrigeration cy..
a 5-ton elevator is supported by a standard steel cable of 25 in2 cross section and an effective modulus of elasticity
consider a large rain water tank for a remote farmhouse. the farmhouse occupants are constantly concerned with the
a spherical balloon filled with heliumm is initially at 300 k and 100 kpa with a diameter of 5 cm. the balloon is
two kg of propane are initally saturated liquid at 0c. it undergoes an isentropic process that cools it to -40c.a what
Calculate the force of attraction between a K+ cation and a O2- anion, the centers of which are separated by a distance of 1.5 nm.
engineering fluid mechanics 9th editionauthors crowe elger williams roberson problem 9.62 pg 313.an engineer is
seawater containing 3.50 wt salt passes through a series of 10 evaporators. roughly equal quantities of water are
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