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 Bessemer process Open hearth process Crucible process Cementation process Bessemer process Open hearth process Crucible process ANSWER DOWNLOAD EXAMIANS APP
Building Materials During smelting process, the combination of fuel in the furnace Forms carbon dioxide All listed here Carbon dioxide with carbon forms carbon mono-oxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Forms carbon dioxide All listed here Carbon dioxide with carbon forms carbon mono-oxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 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 No grey or white deposits appear on the surface, the brick is free from soluble salts 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence All listed here 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 10 percent surface is covered with grey or white deposits, the brick has slight efflorescence All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials The frog of the brick in a brick masonry is generally kept on Shorter side Bottom face Top face Longer side Shorter side Bottom face Top face Longer side ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the compound responsible for early strength of cement from the following: Tetra-calcium alumino-ferrite Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate Tetra-calcium alumino-ferrite Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The commonly used drying oil for oil paints, is Linseed oil Olive oil Acetate of lead Kerosene oil Linseed oil Olive oil Acetate of lead Kerosene oil ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS