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2 votes
A.

4. What are the two types of valve trains used in engines?
Overhead valve (OHV) and overhead cam (OHC).
b. Overhead valve (OHC) and in-block camshaft.
Overhead cam (OHC)and crankshaft.
d. Overhead cam (OHC) and valve-in-block.
C.
thoi
fire the manche

User JustToKnow
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1 Answer

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THE ANSWER IS B Beaycs i like BStep-by-step explanation:

User Friedel
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