In order to avoid tendency of separation at throat in a Venturimeter, the ratio of the diameter at throat to the diameter of pipe should be
A
$$\frac{1}{{16}}$$ to $$\frac{1}{8}$$
B
$$\frac{1}{8}$$ to $$\frac{1}{4}$$
C
$$\frac{1}{4}$$ to $$\frac{1}{3}$$
D
$$\frac{1}{3}$$ to $$\frac{1}{2}$$
Correct Answer: $$\frac{1}{3}$$ to $$\frac{1}{2}$$
