Civil Engineering MCQAE Level Civil Engineering
In stream flow measurement using a current meter, the velocity is typically measured at 0.6 times the depth from the surface when only one point is used. This represents the:
Fluid MechanicsFlow Measurement Current MeterMEDIUM
Choose the correct answer
A
Maximum velocity point
B
Mean velocity in the vertical (as per empirical observation)
C
Minimum velocity point
D
Critical velocity
Correct Answer
B. Mean velocity in the vertical (as per empirical observation)
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Empirical finding: the mean velocity in a vertical column equals the velocity at 0.6 depth from the surface (single-point method). Two-point method: average of velocities at 0.2 depth and 0.8 depth from surface.
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