GATE Q&A for Origin of soils and Clay Mineralogy

Question No 1  1. The clay mineral primarily governing the swelling  behavior of black cotton soil is  [GATE, 2014]  (A) halloysite  (B) illite  (C) kaolinite  (D) montmorillonite Ans : Montomorillonite mineral exhibits the swelling behavior in black cotton soils.  Hence, the correct answer is option (D). Question No 2 2. An earth embankment is to be…