Building Materials The age of a tree can be known by examining Medullary rays Heart wood Annular rings Cambium layer Medullary rays Heart wood Annular rings Cambium layer ANSWER DOWNLOAD EXAMIANS APP
Building Materials Depending on the chemical composition and mechanical properties, iron may be classified as Wrought iron Steel Cast iron All of these Wrought iron Steel Cast iron All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most important tool in brick laying for lifting and spreading mortar and for forming joints is Trowel Bolster Square Scutch Trowel Bolster Square Scutch ANSWER DOWNLOAD EXAMIANS APP
Building Materials For the manufacture of Portland cement, the proportions of raw materials used, are Silica 40% ; lime 40% ; other ingredients 20% Lime 63% ; silica 22% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Lime 22% ; silica 63% ; other ingredients 15% Silica 40% ; lime 40% ; other ingredients 20% Lime 63% ; silica 22% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Lime 22% ; silica 63% ; other ingredients 15% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sandstone is a(i) Sedimentary rock(ii) Aqueous rock(iii) Siliceous rock Both (i) and (iii) Only (i) Both (i) and (ii) All (i), (ii) and (iii) Both (i) and (iii) Only (i) Both (i) and (ii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used base for timber painting, is Red lead Zinc white White lead Titanium white Red lead Zinc white White lead Titanium white ANSWER DOWNLOAD EXAMIANS APP