engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Thermodynamics First Law of Thermodynamics
The net work done per kg of gas in a polytropic process is
1
\({P_1}{V_1}\ln \frac{{{V_2}}}{{{V_1}}}\)
2
\(\frac{{{P_1}{V_1} - {P_2}{V_2}}}{{n - 1}}\)
3
\(\frac{{{P_1}{V_1} - {P_2}{V_2}}}{{\gamma - 1}}\)
4
P1(V1 - V2)