Building Materials Excess of alumina in brick earth makes the brick To lose cohesion Brittle and weak Impermeable To crack and warp on drying To lose cohesion Brittle and weak Impermeable To crack and warp on drying ANSWER DOWNLOAD EXAMIANS APP
Building Materials Lime stone is not a Stratified rock Aqueous rock Sedimentary rock Metamorphic rock Stratified rock Aqueous rock Sedimentary rock Metamorphic rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Blister steel Is full of fissures and cavities All listed here Can be easily welded Is obtained by cementation process Is full of fissures and cavities All listed here Can be easily welded Is obtained by cementation process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Signs of branches cut off Defects caused by crushing fibres Speckled strains Splits radiating from the centre Signs of branches cut off Defects caused by crushing fibres Speckled strains Splits radiating from the centre ANSWER DOWNLOAD EXAMIANS APP
Building Materials When a brick is immersed in water for 24 hours and then dried, if All listed here 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence No grey or white deposits appear on the surface, the brick is free from soluble salts 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence All listed here 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence No grey or white deposits appear on the surface, the brick is free from soluble salts 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence ANSWER DOWNLOAD EXAMIANS APP
Building Materials The softest rock is Diamond Marble Talc Quartz Diamond Marble Talc Quartz ANSWER DOWNLOAD EXAMIANS APP