Building Materials Which of the following pairs gives a correct combination of the useful and harmful constituents respectively of a good brick earth? Lime stone and alumina Silica and alkalies Alumina and iron Alkalies and magnesium Lime stone and alumina Silica and alkalies Alumina and iron Alkalies and magnesium ANSWER DOWNLOAD EXAMIANS APP
Building Materials During smelting process, the combination of fuel in the furnace Carbon dioxide with carbon forms carbon mono-oxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 All listed here Forms carbon dioxide Carbon dioxide with carbon forms carbon mono-oxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 All listed here Forms carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used retarder in cement is Calcium chloride Calcium carbonate None of these Gypsum Calcium chloride Calcium carbonate None of these Gypsum ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most durable varnish is Oil varnish Spirit varnish Turpentine varnish Water varnish Oil varnish Spirit varnish Turpentine varnish Water varnish ANSWER DOWNLOAD EXAMIANS APP
Building Materials Durability of building stone is affected by its Resistance to atmosphere Chemical composition All listed here Texture Resistance to atmosphere Chemical composition All listed here Texture ANSWER DOWNLOAD EXAMIANS APP
Building Materials The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called Crucible process Bessemer process Cementation process Open hearth process Crucible process Bessemer process Cementation process Open hearth process ANSWER DOWNLOAD EXAMIANS APP
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