Building Materials Percentage of carbon content in mild steel is Greater than 1.5 Between 0.25 and 0.7 Between 0.7 and 1.5 Less than 0.25 Greater than 1.5 Between 0.25 and 0.7 Between 0.7 and 1.5 Less than 0.25 ANSWER DOWNLOAD EXAMIANS APP
Building Materials To retard the initial setting time of cement, the compound responsible, is Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate Gypsum Tri-calcium aluminate Di-calcium silicate Tri-calcium silicate Gypsum ANSWER DOWNLOAD EXAMIANS APP
Building Materials The process of decarbonising the pig iron completely and then adding proper percentage of carbon for manufacturing steel, is called Cementation process Open hearth process Bessemer process Crucible process Cementation process Open hearth process Bessemer process Crucible process ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slag which floats on the surface of the molten iron generally contains 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% All listed here 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 600 minutes 30 minutes 60 minutes 10 minutes 600 minutes 30 minutes 60 minutes ANSWER DOWNLOAD EXAMIANS APP
Building Materials Good quality stones must Be free from clay Resist action of acids Be durable All of these Be free from clay Resist action of acids Be durable All of these ANSWER DOWNLOAD EXAMIANS APP
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