Question

_________ is an Igneous rock with compressive strength varies from 75 to 127 Newton per mm square and its weight is about 26 to 27 kN per metre cube.

(a) Basalt

(b) Granite

(c) Marble

(d) Slate

I got this question during an online interview.

I'd like to ask this question from Common Building Stones of India in portion Stone and Brick Masonry of Construction & Building Materials

Answer 1

The correct answer is:

(a) Basalt

Basalt is an igneous rock that typically has a compressive strength ranging from 75 to 127 N/mm² and a density of about 26 to 27 kN/m³. It is commonly used as a building stone and for road construction due to its strength and durability.