- State second law of thermodynamics.
- Can the thermal efficiency of an engine ever be 100%? Give reason.
- State second law of thermodynamics.
- Petrol engine is less efficient than diesel engine. Explain?
- Why do diesel engines need no spark plugs?
- Distinguish between petrol and diesel engine.
- Can a room be cooled by leaving the doors of an electric refrigerator open in a closed room?
- Write down the statement of second law of thermodynamics.
- Is it possible to construct a heat engine that creates no thermal pollution?
- Explain why temperature of gas drops in adiabatic expansion.
Second Law of Thermodynamics- Old is Gold
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