Game:

Counter-Strike: Source (2004)

Duration: 2:30

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In a Carnot engine, when \( T_{2}=0^{\circ} \mathrm{C} \) and \( T_{1}=200^{\circ} \mathrm{C} \), its efficiency is \( \eta_{1} \) and when \( T_{1}=0^{\circ} \mathrm{C} \) and \( T_{2}=-200^{\circ} \mathrm{C} \), its
\( \mathrm{P} \) efficiency is \( \eta_{2} \), then what is \( \eta_{1} / \eta_{2} \) [KCET 2002; DCE 2004]

W
(a) \( 0.577 \)
(b) \( 0.733 \)
(c). \( 0.638 \)
(d) Can not be calculated
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