Building Materials The variety of pig iron used for the manufacture of steel by Bessemer process, is Mottled pig Grey pig Bessemer pig White forge pig Mottled pig Grey pig Bessemer pig White forge pig ANSWER DOWNLOAD EXAMIANS APP
Building Materials Slacking of lime is affected by Immersing the lime in water Crushing the lime lumps None of these Keeping it exposed to air Immersing the lime in water Crushing the lime lumps None of these Keeping it exposed to air ANSWER DOWNLOAD EXAMIANS APP
Building Materials Bitumen completely dissolves in All of these Carbon bisulphide Coal tar Chloroform All of these Carbon bisulphide Coal tar Chloroform ANSWER DOWNLOAD EXAMIANS APP
Building Materials The most commonly used retarder in cement is Calcium chloride Gypsum Calcium carbonate None of these Calcium chloride Gypsum Calcium carbonate None of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials For the manufacture of Portland cement, the proportions of raw materials used, are Lime 63% ; silica 22% ; other ingredients 15% Lime 22% ; silica 63% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Silica 40% ; lime 40% ; other ingredients 20% Lime 63% ; silica 22% ; other ingredients 15% Lime 22% ; silica 63% ; other ingredients 15% Silica 70% ; lime 20% ; other ingredients 10% Silica 40% ; lime 40% ; other ingredients 20% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality cement contains higher percentage of Di-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Tri-calcium silicate Di-calcium silicate Tri-calcium aluminate Tetra calcium alumino ferrite Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP