In a short cylindercial external mouthpiece, the venacontracta occurs at a distance from the outlet of orifice equal to« Back to Previous Page
A. diameter of the orifice
B. one-fourth the diameter of the orifice
C. one-third the diameter of the orifice
D. two-third the diameter of the orifice
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B. one-fourth the diameter of the orifice |
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