Building Materials A well seasoned timber may contain moisture up to 4 to 6 % 10 to 12 % 6 to 8 % 8 to 10 % 4 to 6 % 10 to 12 % 6 to 8 % 8 to 10 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is 35, 65 30, 70 All of these 25, 75 35, 65 30, 70 All of these 25, 75 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gneiss is obtained from Igneous rocks Sedimentary metamorphic rocks Metamorphic rocks Sedimentary rocks Igneous rocks Sedimentary metamorphic rocks Metamorphic rocks Sedimentary rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron is manufactured from pig iron by Pudding All of these Refining Shingling Pudding All of these Refining Shingling 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 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence No grey or white deposits appear on the surface, the brick is free from soluble salts All listed here 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence ANSWER DOWNLOAD EXAMIANS APP
Building Materials The process of manufacturing steel by heating short lengths of wrought iron bars mixed with charcoal in fire clay crucibles and collecting the molten iron into moulds, is known as Open hearth process Crucible process Cementation process Bessemer process Open hearth process Crucible process Cementation process Bessemer process ANSWER DOWNLOAD EXAMIANS APP
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