In timber flooring, the spacing between the sleeper walls is not more than __________
(a) 1.8-2 m
(b) 2-2.2 m
(c) 2.2-2.4 m
(d) 2.4-2.6 m
I have been asked this question by my college professor while I was bunking the class.
I need to ask this question from Types of Ground Floors in section Floors and Flooring of Construction & Building Materials