Exam-style question
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In a p-V diagram, what does a clockwise cycle indicate?.
- A.Heat engine operation
- B.Refrigeration cycle
- C.Isothermal process
- D.Adiabatic process
Model answer
What a good answer should say
- Heat engine operation
Explanation
Why this works
A clockwise cycle in a p-V diagram indicates a heat engine operation. This is because the system does work on the surroundings during the expansion phase, and the net work done is positive, which is characteristic of heat engines.
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