Building Materials The slag which floats on the surface of the molten iron generally contains Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Silica (SiO2) 35% All listed here Lime (CaO) 45% Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Silica (SiO2) 35% All listed here Lime (CaO) 45% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Depending on the chemical composition and mechanical properties, iron may be classified as Cast iron Steel Wrought iron All of these Cast iron Steel Wrought iron All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials For high grade instruments the steel preferred to, is Mild steel Cast steel Whitworth compressed steel Bessemer steel Mild steel Cast steel Whitworth compressed steel Bessemer steel ANSWER DOWNLOAD EXAMIANS APP
Building Materials The method of addition polymerization is used for obtaining: Polystyrene All of these Polypropylene Polyvinylchloride Polystyrene All of these Polypropylene Polyvinylchloride ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following represents a metamorphic rock? (i) Slate (ii) Shale (iii) Quartzite Only (iii) Both (i) and (iii) All (i), (ii) and (iii) Both (ii) and (iii) Only (iii) Both (i) and (iii) All (i), (ii) and (iii) Both (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Slate is formed by metamorphic action on Shale Lime stone Sand stone Granite Shale Lime stone Sand stone Granite ANSWER DOWNLOAD EXAMIANS APP
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