Question

The thickness of the flagstone used in flagstone flooring is _________

(a) 0.5-1 cm

(b) 0.5-1 mm

(c) 2-4 cm

(d) 2-4 mm

This question was addressed to me at a job interview.

Question is from Types of Ground Floors topic in portion Floors and Flooring of Construction & Building Materials

Answer 1

Correct choice is (c) 2-4 cm

Explanation: Flagstone is a laminated sandstone of thickness 2-4 cm available in the form of stone slabs. These stone slabs can be squares of size 30 cm x 30 cm, 45 cm x 45 cm or 60 cm x 60 cm or they can be rectangular of size 45 cm x 60 cm.