First slide

Thermodynamic processes

Question

Calculate the work done by one kilomole of an ideal in gas, in mega joule, in reversibly traversing the cycle shown in figure, ten times. Indicate the direction of traversal around the cycle if the net work is done by the gas.

Moderate

Solution

$\begin{array}{l} W = Area Enclosed = (10) (4 - 1) (3 - 1) \times 10^{5} {Nm}^{- 2} \\ \Rightarrow W = 6 \times 10^{6} J = 6 MJ \end{array}$
If the net work is done by the gas, then direction of traversal around the cycle is clockwise.

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