Building Materials Second class bricks Produce a metallic sound when struck Are of dark brown color Are well burnt Are under burnt Produce a metallic sound when struck Are of dark brown color Are well burnt Are under burnt ANSWER DOWNLOAD EXAMIANS APP
Building Materials Asbestos Is a natural fibrous mineral substance Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Contains iron oxide and alumina All of these Is a natural fibrous mineral substance Is composed of hydrous silicates of calcium and magnesium (CaSiO3, 3MgSiO3) Contains iron oxide and alumina All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slag which floats on the surface of the molten iron generally contains All listed here Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Silica (SiO2) 35% Lime (CaO) 45% All listed here Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Silica (SiO2) 35% Lime (CaO) 45% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Early attainment of strength in rapid hardening cement is mainly due to Finer grinding Tri-calcium aluminate Gypsum Tri-calcium silicate Finer grinding Tri-calcium aluminate Gypsum Tri-calcium silicate ANSWER DOWNLOAD EXAMIANS APP
Building Materials Specific gravity for most of the building stones lies between 2.0 to 2.5 2.5 to 3.0 1.5 to 2.0 3.0 to 3.5 2.0 to 2.5 2.5 to 3.0 1.5 to 2.0 3.0 to 3.5 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron is manufactured from the ores by All of these Smelting Calcination and roasting Dressing All of these Smelting Calcination and roasting Dressing ANSWER DOWNLOAD EXAMIANS APP
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