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Which outcome commonly results when high flowrates trigger a sudden expansion in ductwork?

A)Increased static pressure downstream
B)Enhanced laminar flow stability
C)Suppressed boundary layer separation
D)Reduced frictional pressure drop

💡 Explanation

Increased static pressure downstream happens because the sudden expansion causes flow separation, triggering turbulent generation due to the conservation of momentum which is then converted to static pressure via momentum exchange, therefore pressure increases rather than laminar behavior under stable conditions.

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