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Carnot’s engine takes in a Thousand Kilo Calories of heat from a reservoir at $827^{0} C$ and exhausts heat to a sink at $27^{0} C .$ How much work does it perform ?

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2.28 × 105 cal

3.52 × 105 cal

7.28 × 105 cal

5.28 × 105 cal

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detailed solution

Correct option is C

Q1=106cal, T1=1100k, T2=300k, Q2=Q1.T2T1=2.72 × 105cal. ∴ W= Q1−Q2=7.28 × 105cal.

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Carnot’s engine takes in a Thousand Kilo Calories of heat from a reservoir at 8270C and exhausts heat to a sink at 270C. How much work does it perform ?

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Carnot’s engine takes in a Thousand Kilo Calories of heat from a reservoir at $827^{0} C$ and exhausts heat to a sink at $27^{0} C .$ How much work does it perform ?