Building Materials Pig iron made from haematite ores free from sulphur, phosphorus and copper, is known as Bessemer pig Grey or foundry pig Mottled pig White or forge pig Bessemer pig Grey or foundry pig Mottled pig White or forge pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is 30, 70 25, 75 All of these 35, 65 30, 70 25, 75 All of these 35, 65 ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used synthetic abrasive is Silicon Aluminium carbide Boric acid All of these Silicon Aluminium carbide Boric acid All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Snowcrete is one of the patent forms of Distempers Enamel paints Water proof cement paints Cellulose paints Distempers Enamel paints Water proof cement paints Cellulose paints ANSWER DOWNLOAD EXAMIANS APP
Building Materials When a brick is immersed in water for 24 hours and then dried, if No grey or white deposits appear on the surface, the brick is free from soluble salts All listed here 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence 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 All listed here 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence ANSWER DOWNLOAD EXAMIANS APP
Building Materials Non acid-resistant asbestos is: Chrysotile asbestos None of these Tremolite asbestos Amosite asbestos Chrysotile asbestos None of these Tremolite asbestos Amosite asbestos ANSWER DOWNLOAD EXAMIANS APP
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