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 Bessemer process Cementation process Crucible process Open hearth process Bessemer process Cementation process Crucible process Open hearth process ANSWER DOWNLOAD EXAMIANS APP
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 (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) (ii) and (iii) (iii) and (iv) (i) and (ii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials The percentage of alumina and silica in good fire clay vary respectively is 35, 65 25, 75 All of these 30, 70 35, 65 25, 75 All of these 30, 70 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the compound responsible for early strength of cement from the following: Tri-calcium aluminate Tri-calcium silicate Tetra-calcium alumino-ferrite Di-calcium silicate Tri-calcium aluminate Tri-calcium silicate Tetra-calcium alumino-ferrite Di-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials The lime which contains mainly calcium oxide and slacks with water, is Poor lime Hydraulic lime Quick lime Fat lime Poor lime Hydraulic lime Quick lime Fat lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials The frog of the brick in a brick masonry is generally kept on Bottom face Top face Shorter side Longer side Bottom face Top face Shorter side Longer side ANSWER DOWNLOAD EXAMIANS APP