Across
- 3. efficiency decreases due to this reaction
- 5. the burning of fuel is inside the engine
- 7. unit for heat
- 9. contributed to the development of heat engines
- 10. converts heat to mechanical energy
Down
- 1. is expressed in Kelvin for computing the efficiency of heat engines
- 2. the ratio of output work to input work
- 4. the result of work done
- 6. the burning of fuel is outside the engine
- 8. the cycle consisting of four steps that operates the engine