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 Bessemer process Cementation process Crucible process Open hearth process Bessemer process Cementation process Crucible process Open hearth process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which one of the following is used for preparing porcelain? Feldspar Quartz Clay All of these Feldspar Quartz Clay All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials With increase in moisture content, the bulking of sand Decreases First increases to a certain maximum value and then decreases Increases First decreases to a certain minimum value and then increases Decreases First increases to a certain maximum value and then decreases Increases First decreases to a certain minimum value and then increases ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following timbers is suitable for making sports goods? Sal Mahogany Mulberry Deodar Sal Mahogany Mulberry Deodar ANSWER DOWNLOAD EXAMIANS APP
Building Materials Rocks formed due to alteration of original structure due to heat and excessive pressure are called Igneous rocks None of these Metamorphic rocks Sedimentary rocks Igneous rocks None of these Metamorphic rocks Sedimentary rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Wrought iron contains carbon about None to these 1.5% to 5.5% 0.5% to 1.75% 0.1% to 0.25% None to these 1.5% to 5.5% 0.5% to 1.75% 0.1% to 0.25% ANSWER DOWNLOAD EXAMIANS APP