Engine oil: Engine oil is a type of lubricant which is used to lubricate the internal components of IC Engine. It is quenched by oil pump to all the internal moving parts of the engine. Engine oil are present in large varieties in the market with specified volume (like 900ml,1 litre, 1.15 litre, etc). Main functions of an engine oil are: To reduce the temperature: As there are number of moving parts in an engine. They relatively move at  very high speed depending on engines’s rpm. So they will produce heat in large amount. The engine oil helps in reducing that heat so that moving parts can move at high…