Building Materials Proper amount of entrained air in concrete results in (i) Better workability (ii) Better resistance to freezing and thawing (iii) Lesser workability (iv) Less resistance to freezing and thawing (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) (iii) and (iv) (i) and (ii) (ii) and (iii) (i) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Quartzite is a Calcareous rock Argillaceous rock Siliceous rock Metamorphic rock Calcareous rock Argillaceous rock Siliceous rock Metamorphic rock ANSWER DOWNLOAD EXAMIANS APP
Building Materials Refractory bricks resist Chemical action All listed here High temperature Dampness Chemical action All listed here High temperature Dampness ANSWER DOWNLOAD EXAMIANS APP
Building Materials Glazing is used to make earthenware hard porous soft impervious hard porous soft impervious ANSWER DOWNLOAD EXAMIANS APP
Building Materials Seasoning is A process of removing sap Painting with sodium silicate Coating with tar Creosoting A process of removing sap Painting with sodium silicate Coating with tar Creosoting ANSWER DOWNLOAD EXAMIANS APP
Building Materials The yield strength and tensile strength of low carbon steel may be improved by the addition of Chromium Nickel Vanadium Manganese Chromium Nickel Vanadium Manganese ANSWER DOWNLOAD EXAMIANS APP