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Hot exhaust gases (carbon dioxide) are cooled from 700 K to 300 K isobarically at 500 kPa. The cooling fluid is countercurrent water flow that enters at 150 kPa and 20ºC and exits as a saturated vapor.a. Demonstrate that it is reasonable to consider carbon dioxide an ideal gas at these conditions.b. Calculate the ratio of the mass flow rate of water to that of carbon dioxide.c. Demonstrate that this is an impossible process by looking at the carbon dioxide and water temperatures at several points along the heat exchanger
air expands from 100kpa 40 degrees c with volume .75 m3 to 15kpa in a polytropic process with polytropic exponent n.
you are asked to design a heating system for a swimming pool that is 2 m deep 25 m long and 25 m wide. your client
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question a person of weight 100 kg standing on skis 2 m long and 0.10 in wide slides on the 2deg mountain slope at
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Refrigerant R-134a vapor in a piston-cylinder assembly undergoes a constant-pressure process from saturated vapor at 800 kPa to 50 ºC.
a fuel cell stack consists of 75 fuel cells arranged in series each one 12cm2 in size. the stack operates at 80.c and
in a crank or slotted lever quick mechanism the distance between the fixed centre is 150 mm and driving crank is 75 mm. determine the ration of the time taken of cutting & return strake .
a temperature sensor has a transfer function of 5 mvoc with an accuracy of plusmn 1.5 a find the possible range of the
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