GATE 2025 Civil Engineering Q59

Question

Two soils of permeabilities k₁ and k2 are placed in a horizontal flow apparatus, as shown in the figure. For Soil 1, L1 = 50 cm, and k₁ = 0.055 cm/s; for Soil 2, L2 = 30 cm, and k2 = 0.035 cm/s. The cross sectional area of the horizontal pipe is 100 cm², and the head difference (Δh) is 150 cm. The discharge (in cm³/s) through the soils is ____________ (rounded off to 2 decimal places).

Accepted Answer

8.44 to 8.56