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Question: a the universal gas constant has a value of 8314...

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(a) The universal gas constant has a value of 8314 J/kmol-K. (b) All gases in the problems should be taken to be perfect gases with constant specific heats, unless specifically stated otherwise. (c) Air as a perfect gas has a gas constant, R 287 J/kg-k, a specific heat at constant pressure of 1005 J/kg-K, a specific heat ratio, y 1.4. (d) One atmosphere is equal to 101.325 kPa.
Problem 2 A foam sponge will be used to cover the water intake of an aquarium filter (with intake tube diameter of 15 mlm) what is expected reduction (%) in the inlet water velocity? For simplicity ignore the pressure drop across the sponge and the flow from the intake base
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