Q495
Which of the following statement correctly describe the oil control ring?
A.
It lubricates the cylinder wall by releasing oil from its oil holes
B.
It keeps the cylinder wall lubricated by holding oil in its channel
C.
It returns excess lubricating oil through the return oil holes in the piston to the oil pan
AnswerD.
It maintains a seal and prevents gas blow-by and oil leakage
Answer: Option C
Solution
Answer: Option C
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