Classification of I.C. Engines:

IC engines are classified as follows:

1. Nature of thermodynamic cycles as:

 Otto cycle engine, Diesel cycle engine and Dual combustion cycle engine

2. Type of the fuel used:

 Petrol engine, Diesel engine, Gas engine and Bi-fuel engine

3.   Number of strokes as

 Four stroke engine and Two stroke engine

4. Method of ignition as:

 Spark ignition engine, known as SI engine and Compression ignition engine, known as C.I. engine

5. Number of cylinder as:

 Single cylinder engine and Multi cylinder engine

6. Position of the cylinder as:

Horizontal engine, Vertical engine Vee engine, In-line engine and Opposed cylinder engine

7. Method of cooling as: Air cooled engine and Water cooled engine