An ideal gas undergoes a circular cycle as shown in Figure 3.89 (circle on a $P$ - $V$ diagram touching $V_{0}$ and $3 V_{0}$ on the volume axis and $P_{0}$ and $3 P_{0}$ on the pressure axis). Find the ratio of the maximum temperature of the cycle to the minimum temperature:

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With the centre at ( 2 V 0 ​ , 2 P 0 ​ ) and radius V 0 ​ , P 0 ​ : P 0 ​ V 0 ​ P V ​ = ( 2 + sin θ ) ( 2 + cos θ ) = 2 u 2 + 4 u + 7 ​ with u = sin θ + cos θ , − 2 ​ ≤ u ≤ 2 ​ . Ratio = 9 − 4 2 ​ 9 + 4 2 ​ ​ = ( 4 − 2 ​ 4 + 2 ​ ​ ) 2 . D.

Physics - Heat & Thermo Question with Solution | TestHub

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