GATE Civil 2022 Set 1 | Question: 10

Question

Let $\psi$ represent soil suction head and $K$ represent hydraulic conductivity of the soil. If the soil moisture content $\theta$ increases, which one of the following statements is $\text{TRUE}$?

• A. $\psi$ decreases and $K$ increases
• B. $\psi$ increases and $K$ decreases
• C. Both $\psi$ and $K$ decrease
• D. Both $\psi$ and $K$ increase