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Flame SCF 18 Near Chawla Lights Ph-7 Mohali 9888949978

15. In a Carnot engine, when

T₂=0°C and T₁=200°C its efficiency is η₁ and when T₁=0°C and T₂=200°C , Its efficiency is η₂ , then what is η₁_/η₂

(a) 0.577 (b) 0.733

(c) 0.638 (d) Can not be calculated

Answer-a

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PrevPrevious14. The temperature of reservoir of Carnot’s engine operating with an efficiency of 70% is 1000K. The temperature of its sink is

Next16. The efficiency of Carnot’s engine operating between reservoirs, maintained at temperatures 27°C and -123°C isNext

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