GATE Geotechnical Engineering: Permeability and seepage: flow nets, uplift pressure, piping, capillarity – Previous Year Questions

6 GATE previous year questions on Permeability and seepage: flow nets, uplift pressure, piping, capillarity (Geotechnical Engineering, Civil Engineering) with answers and explanations, from every paper.

1. GATE 2024 CE (CE2) Q45 (2 marks, Multiple select) – Consider the statements P, Q, and R. P: Compacted fine-grained soils with flocculated structure have isotropic permeability. Q: Phreatic surface/line…
2. GATE 2024 CE (CE2) Q53 (2 marks, Numerical answer) – A homogeneous earth dam has a maximum water head difference of 15 m between the upstream and downstream sides. A flownet was drawn with the number of…
3. GATE 2025 CE (CE2) Q15 (1 mark, Multiple choice) – The most suitable test for measuring the permeability of clayey soils in the laboratory is .
4. GATE 2025 CE (CE2) Q31 (1 mark, Numerical answer) – From a flow-net diagram drawn under a concrete dam, following information are obtained: (i) The head difference between upstream and downstream side…
5. GATE 2025 CE (CE1) Q59 (2 marks, Numerical answer) – Two soils of permeabilities k 1 and k 2 are placed in a horizontal flow apparatus, as shown in the figure. For Soil 1, L 1 = 50 cm, and k 1 = 0.055…
6. GATE 2026 CE (CE1) Q31 (1 mark, Numerical answer) – For a liquid, the permeability of a sandy soil having a void ratio of 0.60 was determined as 0.14 cm/s. Considering the same liquid and by using…