Building Materials The slag which floats on the surface of the molten iron generally contains Lime (CaO) 45% 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% ANSWER DOWNLOAD EXAMIANS APP
Building Materials Crushing strength of a good building stone should be more than 150 MPa 50 MPa 200 MPa 100 MPa 150 MPa 50 MPa 200 MPa 100 MPa ANSWER DOWNLOAD EXAMIANS APP
Building Materials A good quality stone absorbs water less than 25 % 15 % 10 % 5 % 25 % 15 % 10 % 5 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following is a mineral? Syenite Granite Basalt Quartz Syenite Granite Basalt Quartz ANSWER DOWNLOAD EXAMIANS APP
Building Materials The age of a tree can be known by examining Medullary rays Cambium layer Heart wood Annular rings Medullary rays Cambium layer Heart wood Annular rings ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning is A process of removing sap Painting with sodium silicate Creosoting Coating with tar A process of removing sap Painting with sodium silicate Creosoting Coating with tar ANSWER DOWNLOAD EXAMIANS APP