Multiple choice

A reversible heat engine receives 2 kJ of heat from a reservoir at 1000 K and a certain amount of heat from a reservoir at 800 K. It rejects 1 kJ of heat to a reservoir at 400 K. The net work output (in kJ) of the cycle is

  1. 0.8

  2. 1.0

  3. 1.4

  4. 2.0
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C Correct answer
Explanation

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