Q. In a S.I. engine, if the colour of exhaust flame is bluish, transparent, it indicates that the mixture supplied to the engine is (Solved)
1. Suitable for maximum output
2. Too lean
3. Too rich
4. Chemical correct
5. Most economical
- b. Too lean
1. Suitable for maximum output
2. Too lean
3. Too rich
4. Chemical correct
5. Most economical