What is difference between SI and CI engine?

The Spark Ignition (SI) engine, as its name indicates uses spark to ignite the fuel. … And in Compression Ignition (CI) engine, the air is compressed within the cylinder and the heat of this compression air is used to ignite the fuel.

How many engine types are there?

We can broadly classify engines into two categories those are Internal Combustion Engine and External Combustion Engine. Internal Combustion Engine: Fuel combustion takes place inside the engine system. External Combustion Engine: Fuel combustion takes place outside the engine system.

What are the three types of internal combustion engine?

The most common internal-combustion engine is the four-stroke, gasoline-powered, homogeneous-charge, spark-ignition engine.

How are engines classified?

Automotive Engines are generally classified according to following different categories: Internal combustion (IC) and External Combustion (EC) … Number of Cylinders – From 1 to up to 18 cylinders (in a car) Arrangement of cylinders which are Inline, V, W, Horizontal, Radial.

What are the two major types of piston engines?

There are two main types of piston engine: the spark-ignition engine and the diesel engine. The diesel engine is more efficient but it also generates more pollution. There are also two common engine cycles: the two-stroke cycle and the four-stroke cycle.

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