Building Materials The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called Cementation process Bessemer process Open hearth process Crucible process Cementation process Bessemer process Open hearth process Crucible process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Blister steel All listed here Is obtained by cementation process Can be easily welded Is full of fissures and cavities All listed here Is obtained by cementation process Can be easily welded Is full of fissures and cavities ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of alumina in brick earth makes the brick Brittle and weak Impermeable To lose cohesion To crack and warp on drying Brittle and weak Impermeable To lose cohesion To crack and warp on drying ANSWER DOWNLOAD EXAMIANS APP
Building Materials Plastic Finished products are rigid and stable at normal temperature All listed here Is an organic substance Consists of natural or synthetic binders Finished products are rigid and stable at normal temperature All listed here Is an organic substance Consists of natural or synthetic binders ANSWER DOWNLOAD EXAMIANS APP
Building Materials Addition of pozzolana to ordinary Portland cement increases Permeability Heat of hydration Bleeding Shrinkage Permeability Heat of hydration Bleeding Shrinkage ANSWER DOWNLOAD EXAMIANS APP
Building Materials When a brick is immersed in water for 24 hours and then dried, if 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence All listed here 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 50 percent surface is covered with grey or white deposits, the brick has serious efflorescence All listed here 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 ANSWER DOWNLOAD EXAMIANS APP
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