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 Cementation process Crucible process Bessemer process Open hearth process Cementation process Crucible process Bessemer process Open hearth process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Initial setting of cement is caused due to Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra calcium alumino ferrite Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Higher pitch of the roofi) results in stronger roofii) results in weaker roofiii) requires more covering materialiv) requires less covering materialThe correct answer is (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Based on the following rocks and minerals, select the correct statement, quartz, shale, basalt, granite, marble, gypsum, mica Quartz and mica are minerals Granite is the only igneous rock There is no sedimentary rock Basalt and marble are the only metamorphic rocks Quartz and mica are minerals Granite is the only igneous rock There is no sedimentary rock Basalt and marble are the only metamorphic rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials In stone masonry, stones (stratified rocks) are so placed that the direction of pressure to the plane of bedding is 60° Parallel Right angles 45° 60° Parallel Right angles 45° ANSWER DOWNLOAD EXAMIANS APP
Building Materials After storage, the strength of cement May increase or decrease Increases Remains same Decreases May increase or decrease Increases Remains same Decreases ANSWER DOWNLOAD EXAMIANS APP