technician a says that variable valve timing allows the engine’s piston displacement to be increased or decreased. technician b says that in-block cams usually include variable valve timing. who is correct?

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12-10-2022
Engineering

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technician a says that variable valve timing allows the engine’s piston displacement to be increased or decreased. technician b says that in-block cams usually include variable valve timing. who is correct?

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melrebecca74 melrebecca74 · Answer 1 · 2022-10-16T13:59:50+02:00

When technician a says that variable valve timing allows the engine’s piston displacement to be increased or decreased, and technician b says that in-block cams usually include variable valve timing, then both of them are correct.

In an engine, a variable valve timing allows the engine’s piston displacement to increased or decreased to provide better operating conditions to engine. The reason is if the engine piston displacement is increases or decreases it allows the air to the engine which can increase the RPM of the engine.

In an engine in which the block cam is used, the variable valve timing is present. The reason is the timing gap provided by the cam to the valves is variable.

Here, the technician A says variable valve timing allows the engine’s piston displacement to increased or decreased and technician B says that in block cams usually include variable valve timing. So, both technician A and B are correct.

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