When does an oil control ring apply lubricant to the cylinder wall?
A. on upstroke
B. on downstroke
C. on upstroke and downstroke
D. at TDC and BDC
Answer: A
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Fill in the blank(s) with the appropriate word(s).
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a. typical, “safe” c. exact copy of a b. extremely daring d. fundamentally new
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Fill in the blank(s) with the appropriate word(s).