Which of the following statement correctly describe the oil control ring?

MCQ Practice

Subject: Automobile EngineeringTopic: Automobile Engine

It lubricates the cylinder wall by releasing oil from its oil holes

It keeps the cylinder wall lubricated by holding oil in its channel

It returns excess lubricating oil through the return oil holes in the piston to the oil pan

It maintains a seal and prevents gas blow-by and oil leakage

Correct Answer: C

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