1.

Which of the following rocks are hard and durable?(a) Argillaceous rocks(b) Siliceous rocks(c) Calcareous rocks(d) Carbonaceous rocksThe question was asked in examination.I need to ask this question from Source and Classification of Stones in division Materials for Construction of Basic Civil Engineering

Answer»

The correct answer is (b) Siliceous rocks

Explanation: Silica PREDOMINATES in siliceous rock and is less affected by weathering

and hence are hard and durable compared to ARGILLACEOUS (clay), CALCAREOUS (calcium carbonate) or carbonaceous (carbon).



Discussion

No Comment Found

Related InterviewSolutions