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Geological Engineering · Q68

Introduction to Geological Engineering

Engineering and GATE · Geological Engineering · question 68

Q68

Which material is considered impermeable in engineering geology?

A.
Clay
Answer
B.
Sandstone
C.
Gravel
D.
Limestone

Answer: Option A

Solution

Answer: Option A
Solution:
Clay has very low permeability due to its fine grain size and plate-like particles, making it an effective barrier to water flow.Correct Answer: Clay.