Question

The minimum thickness of the granolithic finish, when laid over a hardened surface, is __________

(a) 35 mm

(b) 35 cm

(c) 15 mm

(d) 15 cm

I got this question by my college professor while I was bunking the class.

This interesting question is from Types of Ground Floors topic in chapter Floors and Flooring of Construction & Building Materials

Answer 1

Right answer is (a) 35 mm

Explanation: Granolithic finish is composed of rich concrete made with a very tough quality coarse aggregate like basalt, granite etc. The minimum thickness of the granolithic finish, when laid over a hardened surface is 35 mm while when laid monolithically with the top concrete, it is 25 mm.