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Three kilograms of air within a piston-cylinder assembly executes a Carnot power cycle. The isothermal expansion...

Three kilograms of air within a piston-cylinder assembly executes a Carnot power cycle. The isothermal expansion occurs at 700K from 1.25 bar to 0.85 bar; the air can be treated as an ideal gas. If the cycle thermal efficiency is 65%,
- determine the temperature of the isothermal compression
- calculate the net work developed for the cycle in kJ
- draw the cycle on both Pv and Ts diagrams, labelling the types of processes and including arrows to show direction; you do not need to add values to the axes.

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