An ideal gas (cv= 0.7 kj/kg·k, r= 0.3 kj/kg·k) is contained in a piston-cylinderdevice and undergoes the following power cycle. (1-2) isentropic compression from 20◦cand 100 kpa with a compression ratio of 5, (2-3) isobaric heat addition, (3-1) isochoricheat rejection. (a) find the temperature, pressure and specific volume at states 1, 2, and 3. (b) find the heat supplied, heat rejected, work done by the system, work done on the system, net work done, and thermal efficiency. (c) calculate the change in entropy of the working fluid for each process. (d) sketch the p – v and t - s diagrams.

answer:

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answer:

d. attempt to find the owner, then leave your information if you cannot find them.

explanation:

d. represents both (b) and (c).

more logical as well.

b and c are to complicated.

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