The effective thickness should be _________ of the sum of actual thicknesses of the two skins of a cavity wall if both the skins have uniform thickness throughout.
The effective thickness should be _________ of the sum of actual thicknesses of the two skins of a cavity wall if both the skins have uniform thickness throughout. Correct Answer Two-thirds
The effective thickness should be two-thirds of the sum of the actual thicknesses of the two skins of a cavity wall. This is applicable only if both the skins or leaves of the cavity wall are of uniform thickness throughout.