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GATE Exam Questions - Engineering

Q1:

A soil formation through which only seepage is possible, being partly permeable and capable of giving insignificant yield, is classified as

A Aquifer

B Aquitard

C Aquifuge

D Aquiclude

ANS:B - Aquitard

The most common aquifers are: unconsolidated sands and gravels, permeable sedimentary rocks such as sandstones and limestones and heavily fractured volcanic and crystalline rocks. The most common aquitards are clays, shales and dense crystalline rocks.