Why Does Car Need Oil

A car needs oil for a variety of reasons. First oil lubricates the engine. This is important because it helps to reduce friction between the engine’s moving parts. Friction can cause damage to the engine so it’s important to keep it lubricated. Second oil helps to cool the engine. As the engine heats up the oil helps to keep it cool by dissipating the heat. Third oil helps to clean the engine. over time the engine can accumulate dirt and other contaminants. The oil helps to clean the engine by trapping these contaminants and preventing them from causing damage.

There are a few different types of oil that can be used in a car but most cars use petroleum-based oil. This oil is derived from crude oil which is a mixture of hydrocarbons. The hydrocarbons in crude oil are separated into different fractions and each fraction is used for a different purpose. The fractions that are used to make petroleum-based oil include:

-Paraffins: These are the longest hydrocarbons and they make up the majority of petroleum-based oil. Paraffins help to lubricate the engine and prevent wear.

-Naphthenes: These are shorter hydrocarbons and they make up a smaller percentage of petroleum-based oil. Naphthenes help to clean the engine and prevent corrosion.

-Aromatics: These are the shortest hydrocarbons and they make up a small percentage of petroleum-based oil. Aromatics help to improve the efficiency of the engine and reduce emissions.

The most important reason why a car needs oil is because it helps to lubricate the engine. Without oil the engine would experience a lot of friction and this would cause damage. Oil helps to reduce friction by creating a barrier between the engine’s moving parts. This barrier helps to prevent wear and tear on the engine which can extend its life.

It’s important to regularly check the oil level in your car and to change the oil when necessary. The oil should be changed every 5000 miles or so but this may vary depending on the type of oil that’s being used and the manufacturer’s recommendations.

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