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← ScienceWhich outcome primarily triggers a pump cavitation when increasing speed beyond design limits?
A)Fluid viscosity decreases dramatically
B)Reynolds number exceeds critical value✓
C)Kinetic energy converts incompletely
D)Internal pressure increases excessively
💡 Explanation
Exceeding design speed can lead to a Reynolds number that surpasses the critical value; laminar flow becomes turbulent. The result is decreased pressure leading to vapor bubble formation due to increased energy loss, which creates cavitation, rather than laminar conditions.
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