engineering recuitment NHPC JE & THDC JE 2023 Mock Test Thermodynamics First Law of Thermodynamics Application of First Law to Closed System
Which of the following equations represents a polytropic process?
1
\(\rm \frac{V_1}{T_1}=\frac{V_2}{T_2}\)
2
\(\rm P_1V_1^n=P_2V_2^n\)
3
\(\rm \frac{P_1}{T_1}=\frac{P_2}{T_2}\)
4
\(\rm P_1V_1=P_2V_2\)