Question

_______ is a sedimentary rock with specific gravity varies from 2.65 to 2.95 and compressive strength is 64 Newton per mm square.

(a) Limestone

(b) Sandstone

(c) Laterite

(d) Kankar

Answer 1

The correct option is (b) Sandstone

For explanation: Sandstone consists of quartz and other minerals. It is easy to work and dress and also available in different colours. Its weight is about 20 to 22 kN per metre cube. It is used in steps, facing work, flooring, ornamental carving, etc.