engineering recuitment Cochin Shipyard Executive Trainee Mechanical Mock Test Thermodynamics First Law of Thermodynamics
Which of the following is correct in a polytropic process?
1
\(\frac{{{T_1}}}{{{T_2}}} = {\left( {\frac{{{V_2}}}{{{V_1}}}} \right)^{n - \frac{1}{n}}} = {\left( {\frac{{{p_1}}}{{{p_2}}}} \right)^{n - 1}}\)
2
\(\frac{{{T_1}}}{{{T_2}}} = {\left( {\frac{{{V_1}}}{{{V_2}}}} \right)^{n - \frac{1}{n}}} = {\left( {\frac{{{p_1}}}{{{p_2}}}} \right)^{n - \frac{1}{n}}}\)
3
\(\frac{{{T_1}}}{{{T_2}}} = {\left( {\frac{{{V_2}}}{{{V_1}}}} \right)^{n - 1}} = {\left( {\frac{{{p_2}}}{{{p_1}}}} \right)^{n - \frac{1}{n}}}\)
4
\(\frac{{{T_1}}}{{{T_2}}} = {\left( {\frac{{{V_2}}}{{{V_1}}}} \right)^{n - 1}} = {\left( {\frac{{{p_1}}}{{{p_2}}}} \right)^{\frac{{n - 1}}{n}}}\)