Building Materials During smelting process, the combination of fuel in the furnace Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Forms carbon dioxide Carbon dioxide with carbon forms carbon mono-oxide All listed here Carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 Forms carbon dioxide Carbon dioxide with carbon forms carbon mono-oxide All listed here ANSWER DOWNLOAD EXAMIANS APP
Building Materials Hydraulic lime is obtained by Burning of lime stone Adding water to quick lime Calcination of pure clay Burning of kankar Burning of lime stone Adding water to quick lime Calcination of pure clay Burning of kankar ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used synthetic abrasive is Silicon Boric acid Aluminium carbide All of these Silicon Boric acid Aluminium carbide All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of silica in brick earth results in loss of cohesion enhancing the impermeability of bricks None of these cracking and warping of bricks loss of cohesion enhancing the impermeability of bricks None of these cracking and warping of bricks ANSWER DOWNLOAD EXAMIANS APP
Building Materials Sapwood consists of Innermost annular rings around the pith Thin fibre which extends from the pith outwards and holds the annular rings together Thin layers below the bark Portion of timber between heartwood and cambium layer Innermost annular rings around the pith Thin fibre which extends from the pith outwards and holds the annular rings together Thin layers below the bark Portion of timber between heartwood and cambium layer ANSWER DOWNLOAD EXAMIANS APP
Building Materials Percentage of carbon content in mild steel is Less than 0.25 Between 0.25 and 0.7 Greater than 1.5 Between 0.7 and 1.5 Less than 0.25 Between 0.25 and 0.7 Greater than 1.5 Between 0.7 and 1.5 ANSWER DOWNLOAD EXAMIANS APP
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