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Types of Fuel Injection System, Disadvantages and Advantages of air injection system

Fuel Injection System: There are two fuel injection system- a.       Air injection system b.       Solid injection system. Advantages of air injection system: 1.       Good atomization due to large pressure. 2.       Heavy and viscous fuels can be injected. 3.       Fuel pump is required to develop a small pressure. Disadvantages of air injection system: 1.       Requires a high pressure multi-stage compression. 2.       Separate mechanical linkage is required to operate the fuel value. 3.       Overheating and burning may occur. 4.       Low output pressure. 5.       Sticky of fuel valve may occur.