Building Materials Compared to mild steel, cast iron has (i) High compressive strength (ii) High tensile strength (iii) Low compressive strength (iv) Low tensile strength (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The main constituent of fly-ash, is Silica Ferrous oxide Aluminium oxide All of these Silica Ferrous oxide Aluminium oxide All of these ANSWER DOWNLOAD EXAMIANS APP
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 Crucible process Open hearth process Bessemer process Cementation process Crucible process Open hearth process Bessemer process Cementation process ANSWER DOWNLOAD EXAMIANS APP
Building Materials Formula for quick lime, is CaCO₃ Ca(OH)₂ CO₃CO₂ None to these CaCO₃ Ca(OH)₂ CO₃CO₂ None to these ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: About 50% to 60% of silica All listed here About 20% to 30% of alumina Not more than 5% of lime About 50% to 60% of silica All listed here About 20% to 30% of alumina Not more than 5% of lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following bricks are used for lining of furnaces? Under-burnt bricks Over-burnt bricks First class bricks Refractory bricks Under-burnt bricks Over-burnt bricks First class bricks Refractory bricks ANSWER DOWNLOAD EXAMIANS APP
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