SOLVED PROBLEM IN THERMODYNAMICS

Problem 1
Calculate the thermal efficiency of a Carnot Engine operating between the temperature of 700 K and 250 K.
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Problem 2
Calculate the thermal efficiency of a Carnot Engine operating between the temperature of 950 K and 450 K.
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Problem 3
Calculate coefficient of performance of a refrigerator and heat pump operating between 40 C and 0 C.
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