Building Materials The slag which floats on the surface of the molten iron generally contains All listed here Silica (SiO2) 35% Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Lime (CaO) 45% All listed here Silica (SiO2) 35% Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Lime (CaO) 45% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Granite is not suitable for ordinary building purpose because it has less crushing strength it can not be polished it is costly it is not a fire proof material it has less crushing strength it can not be polished it is costly it is not a fire proof material ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pig iron is manufactured from the ores by Smelting Calcination and roasting Dressing All of these Smelting Calcination and roasting Dressing All of these ANSWER DOWNLOAD EXAMIANS APP
Building Materials Gypsum consists of H₂S and CO₂ CO₂ and calcium CaSO4 and H₂O Lime and H₂O H₂S and CO₂ CO₂ and calcium CaSO4 and H₂O Lime and H₂O ANSWER DOWNLOAD EXAMIANS APP
Building Materials The initial setting time for ordinary Portland cement as per IS specifications should not be less than 10 minutes 60 minutes 600 minutes 30 minutes 10 minutes 60 minutes 600 minutes 30 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Pick up the correct characteristic of Pyroxene from the following: It converts to chlorine by hydration All listed here It forms octagonal crystals It converts to chlorine by hydration All listed here It forms octagonal crystals ANSWER DOWNLOAD EXAMIANS APP
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