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What are the types of combustion chambers in SI engines?
swirl
What is SI engine and CI engine?
An SI engine is a spark ignition engine. A CI engine is a compression ignition engine. SI engines use spark plugs to ignite fuel in the combustion chamber. CI engines use compression in the combustion chamber to ignite the fuel.
Why can CI engines be more easily pressure charged compared to SI engines without fear of detonation?
because it only compresses/pressurized air (without the mixture of fuel)
Why can a CI engine be more easily pressure charged compared to SI engines without fear of detonation?
because it only compresses/pressurized air (without the mixture of fuel)
What are stages of combustion in CI engines?
Intake, compression, power/combustion, exhaust. Same as a standard SI (Spark Ignition) CI (Combustion Ignition) is how diesel operates. They contain no spark plugs. The compression heats the fuel to the point of SELF COMBUSTION .
What are si and ci engines?
SI engine means Spark Ignition Engine where combustion products(air,fuel)are ignited in combustion chamber by means of spark from spark plug which is located on cylinder head..CI engine means Compression Ignition Engine,here combustion is take place by means of compression..
Where is fuel and air mixed in an engine on a newer car?
Mixing of fuel and air depends on type of the engine whether SI or CI. In carburetted versions of SI engines the charge mixes in the carburetion chamber and the mixture is let into the engine. There are direct injection SI engines(GDI) where the injection takes places at various stages of charge compression stroke. In CI engines the fuel is mixed with air in the combustion chamber itself. It is to be borne in mind that these mixing phenomenon are the same be it a new or old car.
Why si engines are quantity governed engines and ci engines are quality govrned?
All engine are whether CI or SI are quantity governed. what is quality governed?? You have discovered it or wht??
Why si engines are quantity governed engines?
SI (Spark Ignition) engines are considered quantity governed because their power output and performance are primarily controlled by the amount of air-fuel mixture entering the combustion chamber. The throttle valve regulates this mixture, affecting engine speed and torque. The engine's operational efficiency is linked to the precise control of fuel and air, making it essential to manage these quantities to optimize performance and emissions. Thus, the engine's behavior is largely dictated by the quantity of fuel and air rather than the mixture's quality or combustion characteristics.
Discuss detonation in SI Engine?
It high pitch metallic ringing sound created due to automatic ignition of the " end- gas" (Air-Fuel mixture present farthest away from spark plug) before the main flame front reaches the end of combustion chamber. by UMMID
Why CI engines are used in trucks and other heavy vehicles but not why SI engine?
Compression ignition (CI) engines use diesel is as the fuel, while spark ignition (SI) engines use petrol. SI engines are lightweight and achieve high speeds while diesel CI engines although heavier and slower engines, are more robust and have a higher thermal efficiency. Their robust build (and fewer parts) makes diesel CI engines ideal for heavy machinery.
When should you change the timing belt on a 2004 Honda Civic Si?
Never, the 2004 Civic SI has a timing chain as do all K Series engines.
