Question 325: Thermodynamics & KTG

Question

The P-V diagram of a diatomic ideal gas system going under cyclic process as shown in figure. The work done during an adiabatic process CD is (use $\gamma$ = 1.4) :
![](https://imagex.cdn.examgoal.net/1kmnkj00n/4e91e19b-9c5a-435e-82ee-d37d77faf7aa/e48f6e70-8cb0-11eb-bb7d-75e16383db04/file-1kmnkj00o.jpg)

Accepted Answer

Adiabatic process is from C to D
$WD = {{{P_2}{V_2} - {P_1}{V_1}} \over {1 - \gamma }}$
$ = {{{P_D}{V_D} - {P_C}{V_C}} \over {1 - \gamma }}$
$ = {{200(3) - (100)(4)} \over {1 - 1.4}}$
= $-$500 J

Answer

$-$500 J

Answer

$-$400 J

Answer

400 J

Answer

200 J

Thermodynamics & KTG

The P-V diagram of a diatomic ideal gas system going under cyclic process as shown in figure. The work done during an adiabatic process CD is (use \gamma = 1.4) :

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