Exam-style question
Try this first
Which of the following statements about the p-V diagram is true?.
- A.The area represents the heat transfer only
- B.The cycle area indicates net work output
- C.The shape of the curve does not affect work done
- D.All processes are reversible
Model answer
What a good answer should say
- The cycle area indicates net work output
Explanation
Why this works
The correct statement is that the cycle area indicates net work output. The area enclosed by the cycle on a p-V diagram represents the net work done by the system over one complete cycle, which is a fundamental concept in thermodynamics.
Common mistake
No common mistake is linked to this question yet.