Which consequence results when rapid intake valve closure occurs in an internal combustion engine?

A)Cylinder pressure oscillations increase dramatically✓

B)Exhaust temperature drops considerably lower

C)Peak engine torque inevitably decreases

D)Fuel injector performance improves gradually

💡 Explanation

Rapid valve closure induces pressure waves, leading to cylinder pressure oscillations because the sudden stoppage of gas flow creates compression waves. Therefore, pressure spikes occur rather than a decrease in exhaust temperatures or enhancement of fuel injectors under ideal operating conditions.

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Which consequence results when rapid intake valve closure occurs in an internal combustion engine?

💡 Explanation

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