Building Materials Expansion Joints in masonry walls are provided in wall lengths usater than 20 m 30 m 10 m 40 m 20 m 30 m 10 m 40 m ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used synthetic abrasive is Boric acid Aluminium carbide Silicon All of these Boric acid Aluminium carbide Silicon All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Speckled strains Defects caused by crushing fibres Signs of branches cut off Splits radiating from the centre Speckled strains Defects caused by crushing fibres Signs of branches cut off Splits radiating from the centre ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slag which floats on the surface of the molten iron generally contains All listed here Silica (SiO2) 35% Lime (CaO) 45% Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% All listed here Silica (SiO2) 35% Lime (CaO) 45% Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Resins are Left behind on evaporation of oil Used in varnishes Not soluble in water Soluble in spirit Left behind on evaporation of oil Used in varnishes Not soluble in water Soluble in spirit ANSWER DOWNLOAD EXAMIANS APP
Building Materials Putty is Made with finely powdered chalk and linseed oil All listed here Softened by a solution of pearl ash and quick-lime soaked in water Used for fixing glass panes Made with finely powdered chalk and linseed oil All listed here Softened by a solution of pearl ash and quick-lime soaked in water Used for fixing glass panes ANSWER DOWNLOAD EXAMIANS APP
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