Building Materials Addition of pozzolana to ordinary Portland cement increases Shrinkage Permeability Heat of hydration Bleeding Shrinkage Permeability Heat of hydration Bleeding ANSWER DOWNLOAD EXAMIANS APP
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 (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii) (ii) and (iii) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Building Materials Excess of alumina in brick earth makes the brick To crack and warp on drying Brittle and weak Impermeable To lose cohesion To crack and warp on drying Brittle and weak Impermeable To lose cohesion ANSWER DOWNLOAD EXAMIANS APP
Building Materials The ultimate tensile strength of structural mild steel is about ANSWER DOWNLOAD EXAMIANS APP
Building Materials The practical limit of moisture content achieved in air drying of timber is 5 % 35 % 15 % 25 % 5 % 35 % 15 % 25 % ANSWER DOWNLOAD EXAMIANS APP
Building Materials Which of the following bricks are used for lining of furnaces? Refractory bricks First class bricks Over-burnt bricks Under-burnt bricks Refractory bricks First class bricks Over-burnt bricks Under-burnt bricks ANSWER DOWNLOAD EXAMIANS APP