Question: Figure represents a Carnot engine that works between temperatures T1 = 400 K and T2 = 150 K and drives a Carnot refrigerator that works

Figure represents a Carnot engine that works between temperatures T1 = 400 K and T2 = 150 K and drives a Carnot refrigerator that works between temperatures T3 = 325 K and T4 = 225 K. What is the ratio Q3/Q1?

Qs Refrigerator Engine

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