1. A Carnot engine operates between 200°F and 1800°F. If the entropy change during the heat addition portion of the cycle equals 0.25 Btu/lbm·°R, calculate the work per lbm of working fluid.
2. A Carnot power cycle operates between 1200 K and 300 K. If 4.8 MJ of heat is supplied to the cycle, determine the heat rejected and the change in entropy during the heat reception portion of the cycle.
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