DIFFERENCE BETWEEN C.I. & S.I. ENGINE

Compression ignition engine 

1. It is an engine which heat of by compressed air is used to burn fuel.

2. Diesel is used as fuel.

3. It operates by on diesel engine.

4. High compression engine.

5. less thermal efficiency.

6. low speed engine.

7. constant pressure cycle.

8. only air

9. fuel supply by injector.

Spark ignition engine

1. It is an engine in which the spark is used to burn the fuel.

2. Petrol is used as fuel.

3. It operates by on otto cycle.

4. Low compression ratio.

5. High thermal efficiency.

6. High speed engine.

7. Constant volume cycle.

8. Air + fuel.

9. Fuel supply by carburetor.