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What is the function of carburetor in diesel engine?

What is the function of carburetor in diesel engine?

Carburetor prepares a mixture of air and fuel (which is suitable for combustion) for an spark ignition engine. Carburetor is also used to control the speed of the vehicle. It converts petrol into fine droplets and mixes it in air in such away that it burns smoothly in engine, without any problem.

Why spark plugs are not used in diesel engines?

A gas engine requires spark plugs to create a spark to ignite the gasoline and create the combustion stroke of the piston. A diesel engine has no spark plugs. A spark plug has no use with diesel fuel because there is no need to ‘light’ the diesel fuel. Instead, the glow plug only heats the combustion chamber.”

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Why do diesel engines not knock?

In a diesel, the fuel is ignited by high pressure and temperature inside the cylinder, rather than by a spark plug. The clatter is the result of fuel not burning as evenly as in a gasoline engine, creating a knock. Since diesel fuel requires a very good ignition capability, it has a rather poor anti-knock capability.

Is a carburetor better than fuel injection?

While the carburetor may have been around for over a century, fuel injection is a clearly superior alternative, delivering better power, fuel economy and lower emissions.

Why do we need carburetor?

Your carburetor is responsible for mixing fuel and air. It is the job of the carburetor to regulate how much fuel and air gets mixed so that you get the proper combustible mixture. It is also the job of your carburetor to control your engine speed.

What is the purpose of carburetor?

carburetor, also spelled carburettor, device for supplying a spark-ignition engine with a mixture of fuel and air. Components of carburetors usually include a storage chamber for liquid fuel, a choke, an idling (or slow-running) jet, a main jet, a venturi-shaped air-flow restriction, and an accelerator pump.

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Why does diesel sound different?

Diesel engines usually produce more sound due to the blowdown event, which is the moment when the exhaust valve opens. Because the internal pressure inside the cylinder chamber is usually higher in diesel than in petrol engines, the sound is consequently higher during blowdown.

Does a diesel engine need a carburettor?

However most of the diesel engines are CI engines. In CI engines fuel is directly supplied inside the cylinder at the end of the compression stroke. therefore we do not require a carburettor in diesel engines. Instead of carburettors fuel injectors are used.

What is the function of carburetor in a petrol engine?

Now as we know that in a petrol engine we use mixture of air and fuel for combustion (instead of directly injecting petrol in the combustion chamber), we can now discuss function of carburetor in a petrol engine. Functions of carburetor. Carburetor prepares a mixture of air and fuel (which is suitable for combustion) for an spark ignition engine.

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Why is a carburator fuel injection pump used in diesel engines?

Carburator is equipped in petrol engines only in diesel engines instead of carburator fuel injection pump is being used why because the function of carburator is carburaising the charge by mixing the atomosed fuel with air.

What is the difference between diesel engine and petrol engine?

Hence a diesel engine is also known as Compression Ignition engine. since fuel burns with the help of hot compressed air. In petrol engine combustion takes place when a mixture of air and fuel gets spark from spark plug (spark initiates fuel burning).