Building Materials During smelting process, the combination of fuel in the furnace Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Carbon dioxide with carbon forms carbon mono-oxide All listed here Forms carbon dioxide Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Carbon dioxide with carbon forms carbon mono-oxide All listed here Forms carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Building Materials The size of mould for bricks, is generally kept Equal to specified size 10% larger than specified size A little large to specified size A little small to specified size Equal to specified size 10% larger than specified size A little large to specified size A little small to specified size ANSWER DOWNLOAD EXAMIANS APP
Building Materials The cast iron when heated to red heat with powdered red haematite in an oven for increasing its toughness, is converted to Mottled cast iron White cast iron Grey cast iron Toughed cast iron Mottled cast iron White cast iron Grey cast iron Toughed cast iron ANSWER DOWNLOAD EXAMIANS APP
Building Materials The rocks having alumina or clay as their major constituents are known as Argillaceous rocks Sedimentary rocks Siliceous rocks Calcareous rocks Argillaceous rocks Sedimentary rocks Siliceous rocks Calcareous rocks ANSWER DOWNLOAD EXAMIANS APP
Building Materials The stones obtained by blasting are used as Road metal Aggregates for concrete Ballast in railways All listed here Road metal Aggregates for concrete Ballast in railways All listed here 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° Right angles Parallel 45° 60° Right angles Parallel 45° ANSWER DOWNLOAD EXAMIANS APP
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