In the following P-V diagram two adiabatics c | vedclass

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Question

(a) For adiabatic process ${T_1}V_b^{\gamma - 1}$= Constant
For $bc$ curve ${T_1}V_b^{\gamma - 1} = {T_2}V_c^{\gamma - 1}$ or $\frac{{{T_2}}}{{{T_1}}

Vedclass · Accepted Answer

$\frac{{{V_b}}}{{{V_c}}}$

Vedclass · Answer

(a) For adiabatic process ${T_1}V_b^{\gamma - 1}$= Constant
For $bc$ curve ${T_1}V_b^{\gamma - 1} = {T_2}V_c^{\gamma - 1}$ or $\frac{{{T_2}}}{{{T_1}}} = {\left( {\frac{{{V_b}}}{{{V_c}}}} \right)^{\gamma - 1}}$&hellip;..$(i)$
For $ad$ curve ${T_1}V_a^{\gamma - 1} = {T_2}V_d^{\gamma - 1}$ or $\frac{{{T_2}}}{{{T_1}}} = {\left( {\frac{{{V_a}}}{{{V_d}}}} \right)^{\gamma - 1}}$&hellip;..$(ii)$
From equation $(i)$ and $(ii)$ $\frac{{{V_b}}}{{{V_c}}} = \frac{{{V_a}}}{{{V_d}}}$

In the following $P-V$ diagram two adiabatics cut two isothermals at temperatures $T_1$ and $T_2$ (fig.). The value of $\frac{{{V_a}}}{{{V_d}}}$ will be

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