Practice question

What is the purpose of the oil filter in an engine lubrication system?

To increase the pressure of the engine oil
To remove metal particles, soot, dust, and other contaminants from the engine oil before it circulates through the engine
To cool the engine oil as it flows through the engine
To measure the engine oil pressure

Answer: B — To remove metal particles, soot, dust, and other contaminants from the engine oil before it circulates through the engine

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