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Engineering, 17.12.2019 20:31 mrfloyd1250

Which of the following is true of the power stroke on a four stroke cycle engine?
o both valves closed, piston moving down
o one valve open, piston moving up
o one valve open, piston moving down
both valves closed, piston moving up

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Which of the following is true of the power stroke on a four stroke cycle engine?
o both valv...
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