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← ScienceWhich effect results when localized constriction exceeds critical threshold in venturi meter?
A)Inaccurate flow rate measurement✓
B)Increased static fluid pressure
C)Laminar to turbulent transition
D)Decreased fluid density variations
💡 Explanation
The flow becomes non-ideal causing the measured pressure differential to deviate from the value predicted by Bernoulli's equation, because viscous effects near constriction induce measurement errors there, creating inaccurate flow readings. Therefore underestimation occurs, rather than increased correctness or stability of pressures.
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