Q. Which one of the following assumptions is not involved while deriving relation for air standard efficiency of Otto cycle? (Solved)
1. The engine operates at mederate rpm
2. There is always thermal and chemical equilibrium
3. Expansion and compression are adiabatic
4. There is no chemical reaction inside the engine clinder
5. The working fluid is air for which the specific heats are constant
- a. The engine operates at mederate rpm