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Physics, 31.03.2020 00:28 elysalmeron05

Technician A states that variable valve timing (VVT) is used on some diesel engines to delay the closing of intake valves on the compression stroke. Technician B states that VVT is used to open the intake valves early during the power stroke. Who is correct

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Technician A states that variable valve timing (VVT) is used on some diesel engines to delay the clo...
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