In a four stroke cycle gasoline engine, each cylinder is fitted with two or more ___________ valves, held closely by _________.

In a four stroke cycle gasoline engine, each cylinder is fitted with two or more ___________ valves, held closely by _________.

In a four stroke cycle gasoline engine, each cylinder is fitted with two or more ___________ valves, held closely by _________.



Answer: poppet,springs


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