Answered: nd Carnot efficiencies. | bartleby

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Question

Marlene has developed a heat engine that uses in its thermodynamic cycle a polyatomic gas
(Cv = 5R/2) as its working fluid. The pressures at states 1 and 3 are given.
A. Determine the engine and Carnot efficiencies. Is this heat engine a realistic engine? Explain
your reasoning.
B. Draw an energy transfer diagram for this heat engine that includes, Qhot, Qcold and Wout.
Interpret the results.
303-
101-
p(kPa)
2
1.00
Isotherms
3
4
3.00
V(10-³m³)

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