What do you mean by CI engine?

In a compression ignition engine only air or air plus residual combustion gases from the exhaust known as exhaust gas recirculation (EGR) is inducted into the chamber during the intake stroke, and compressed during the compression stroke.

What does SI and CI engine mean?

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.

What is difference between SI Engine & CI engine?

in S.I engines,ignition process is carried out with the help of a spark plug which ignites a mixture of air and fuel that is compressed in the combustion chamber. Whereas,a diesel engine also known as Compression Ignition (C.I) engine works on the basis of Diesel cycle or Constant pressure heat addition cycle.

What is called CI?

In software engineering, continuous integration (CI) is the practice of merging all developers’ working copies to a shared mainline several times a day.

Which is more efficient SI or CI engine?

CI engines have higher Thermodynamic Efficiency

With a higher compression ratio in CI engines as compared to SI engines, CI engines have a higher thermodynamic efficiency since more work is done with each expansion stroke.

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Why spark plug is not used in CI engines?

Spark plugs are used in the petrol engines to ignite the air fuel mixture whereas in diesel engines the presence of spark plugs is not necessary. … Normally the compression ratio of SI engines will in the range 6 – 8 . This proves that in petrol engines the compression alone doesn’t makes the fuel to burn.

Which engine is more powerful?

In very simple terms, higher horsepower translates to a higher top speed and a faster car. Conversely, a higher torque figure translates to more power at a lower RPM. When this is taken into consideration, diesel engines are the more powerful of the two.

What is a CI job?

Continuous Integration (CI) is a development practice where developers integrate code into a shared repository frequently, preferably several times a day. Each integration can then be verified by an automated build and automated tests. … Among them are revision control, build automation and automated testing.

What is CI in police?

Circle Inspector (CI) is a police officer in charge of a police circle consisting of more than one police station.

Is CI a word?

No, ci is not in the scrabble dictionary.

Which is not used in CI engine?

Explanation: Alcohols have high self-ignition temperature and low latent heat of vaporization. That is why they cannot be used in CI engines. … Explanation: Methanol is not used in CI engines because of its high octane number and low cetane number.

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