Farm Power And Machinery (1+1)

Spark ignition engine (Petrol engine)

• In this type of engine, a device called carburetor, which atomizes and mixes fuel with air in correct proportion and send the mixture to the engine cylinder during the suction stroke. Some times these engines are also regarded as carburetor type engine.
• It is an engine designed to convert chemical energy of heavier fuel into mechanical energy. The injected fuel is ignited by the heat of the air which is compressed by the piston within the cylinder. In this engine only, air is sucked into the engine cylinder during suction stroke.