Building Materials During smelting process, the combination of fuel in the furnace 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 Forms carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sand stone is Volcanic rock Sedimentary rock Metamorphic rock Igneous rock Volcanic rock Sedimentary rock Metamorphic rock Igneous rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Knots in timber are Speckled strains Signs of branches cut off Splits radiating from the centre Defects caused by crushing fibres Speckled strains Signs of branches cut off Splits radiating from the centre Defects caused by crushing fibres ANSWER DOWNLOAD EXAMIANS APP
Building Materials The variety of pig iron used for manufacture of wrought iron, is Bessemer pig White forge pig Mottled pig Grey or foundry pig Bessemer pig White forge pig Mottled pig Grey or foundry pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following has more fire resisting characteristics? Marble Granite Compact sand stone Lime stone Marble Granite Compact sand stone Lime stone ANSWER DOWNLOAD EXAMIANS APP
Building Materials Refractory bricks resist All listed here High temperature Dampness Chemical action All listed here High temperature Dampness Chemical action ANSWER DOWNLOAD EXAMIANS APP
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