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Air (14.5 lb) undergoes a polytropic process in a closed system from p1 = 80 lbf/in2, υ1 = 4 ft3/lb to a final state where p2 = 20 lbf/in2, υ2 = 11 ft3/lb. determine the amount of energy transfer by work ( in btu) for the process
Answers: 1
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Air (14.5 lb) undergoes a polytropic process in a closed system from p1 = 80 lbf/in2, υ1 = 4 ft3/lb...
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