Question
Carnot engine is a __________.
- Irreversible.
- Petrol engine.
- Reversible.
- Diesel engine.
✓
Answer
- Reversible.
Explanation:
Process starts from P1, V1, T1 and reverses back to P1, V1, T1 after doing work (given by area enclosed). Here p, V, T reverse back, work done is not reversed back.
Carnot engine is a reversible engine working between two temperatures.
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