Building Materials The coefficient of hardness of stones used in road work should be greater than 17 10 15 12 17 10 15 12 ANSWER DOWNLOAD EXAMIANS APP
Building Materials Softer variety of steel may be obtained by Cementation process Open hearth process Bessemer process Crucible process Cementation process Open hearth process Bessemer process Crucible process ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good brick earth should contain: All listed here About 20% to 30% of alumina About 50% to 60% of silica Not more than 5% of lime All listed here About 20% to 30% of alumina About 50% to 60% of silica Not more than 5% of lime ANSWER DOWNLOAD EXAMIANS APP
Building Materials Crushing strength of a good building stone should be more than 150 MPa 100 MPa 50 MPa 200 MPa 150 MPa 100 MPa 50 MPa 200 MPa ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is a mineral? Quartz Basalt Granite Syenite Quartz Basalt Granite Syenite ANSWER DOWNLOAD EXAMIANS APP
Building Materials The slag which floats on the surface of the molten iron generally contains 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% Alumina (Al2O3) 12% and MgO, CaSO4, KMnO2 and FeO 8% Silica (SiO2) 35% ANSWER DOWNLOAD EXAMIANS APP