Classification Of Engine .(Clearly Explained)

An Engine is device  which can convert heat energy of fuel into mechanical energy is known as engine or heat engine. Engine is basically two types :

1. External combustion (E.C.) Engine.
2. Internal Combustion (I.C.) Engine.

Classification of Engine :-

Sl.No	Classification Criteria	Types
1	No of Strokes per cycle	1. Four Stroke Engine 2. Two Stroke Engine
2	Types of Fuel Used	1. Petrol or Gasoline Engine 2. Diesel Engine 3. Gas Engine 4. Bi-Fuel Engine
3	Nature of Thermodynamic Cycle	1. Otto Cycle Engine 2. Diesel Cycle Engine 3. Dual Combustion Cycle Engine
4	Method of Ignition	1. Spark Ignition (SI) Engine 2. Compression Ignition (CI) Engine
5	No of Cylinders	1. Single Cylinder Engine 2. Multi Cylinder Engine
6	Arrangement of Cylinders	1. Horizontal Engine 2. Vertical Engine 3. V – Type Engine 4. Radial Engine 5. Inline Engine 6. Opposed Cylinder Engine 7. Opposed Piston Engine
7	Cooling System	1. Air Cooled Engine 2. Water Cooled Engine
8	Lubrication System	1. Wet Sump Lubrication System 2. Dry Sump Lubrication System
9	Speed of the Engine	1. Slow Speed Engine 2. Medium Speed Engine 3. High Speed Engine
10	Location of Valves	1. Over Head Valve Engine 2. Side Valve Engine