engineering recuitment UKPSC Polytechnic Lecturer Mock Test 2024 Thermodynamics First Law of Thermodynamics
An ideal gas cycle is shown in the Figure. The thermodynamic efficiency is
1
\(1-\left(\frac{V_3}{V_1}-1\right) \)
2
\(1-\frac{1}{\gamma}\frac{(V_3/V_1-1)}{(P_2/P_1-1)}\)
3
\(1-\gamma\frac{(V_3-V_1)}{(P_2-P_1)}\frac{P_1}{V_1}\)
4
\(1-\frac{(V_3-V_1)}{\gamma(P_2-P_1)}\frac{P_1}{V_1}\)