Exam-style question
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What does a p-V diagram represent in the context of a heat engine cycle?.
- A.The relationship between pressure and volume during a thermodynamic process
- B.The temperature change of the working fluid in the engine
- C.The efficiency of the heat engine
- D.The energy input and output of the engine
Model answer
What a good answer should say
- The relationship between pressure and volume during a thermodynamic process
Explanation
Why this works
A p-V diagram illustrates how pressure and volume change during different stages of a heat engine cycle, allowing for analysis of work done and energy transfers.
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