1.

To avoid separation, the most suitable ratio of throat diameter and pipe diameter in a venturi meter is ______

A. \(\frac{1}{4}\) to \(\frac{1}{2}\)
B. \(\frac{1}{3}\) to \(\frac{1}{2}\)
C. \(\frac{1}{3}\) to 1
D. 1 to 4
Answer» C. \(\frac{1}{3}\) to 1


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