(Solved): A constant-head hydraulic conductivity test was performed on a sand sample in the laboratory, as sh ...

A constant-head hydraulic conductivity test was performed on a sand sample in the laboratory, as shown in the figure. A constant differential head $\Delta h$ of $-500\mathrm{mm}$ was maintained for a duration $\Delta t$ of 5 minutes, during which $\Delta V=1000{\mathrm{cm}}^3$ of water has flown through the sample. The sand sample has a diameter $d$ of $7.5\mathrm{cm}$ and a length $L$ of $26\mathrm{cm}$. Question 1 (2 points) $✓$ Saved The hydraulic conductivity $K$ of the sand is a) $0.01\mathrm{cm}/\mathrm{s}$ b) $0.04\mathrm{cm}/\mathrm{s}$ c) $0.08\mathrm{cm}/\mathrm{s}$ d) $0.15\mathrm{cm}/\mathrm{s}$