

MCQOPTIONS
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1. |
The function of oil-control rings is that it |
A. | lubricates the cylinder wall by releasing oil from its hole |
B. | keeps the cylinder wall lubricated by holding oil in its channel |
C. | prevents engine oil from going into the combustion chamber and returns excess lubricating oil off the cylinder wall through the return holes in the piston to the oil pan |
D. | maintains a seal and prevents escape of burned gases and oil leakage |
Answer» D. maintains a seal and prevents escape of burned gases and oil leakage | |