Concrete Technology and Design of Concrete Structures Select the incorrect statement for ... None of these Bleeding can be minimized by adding pozzuolana finer aggregate. Lean mixes bleed more as compared to rich ones. Bleeding can be increased by addition of calcium chloride. None of these Bleeding can be minimized by adding pozzuolana finer aggregate. Lean mixes bleed more as compared to rich ones. Bleeding can be increased by addition of calcium chloride. ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome) wR/d wR / 4d wR/2d 2wR/d wR/d wR / 4d wR/2d 2wR/d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Due to circumferential action of the spiral in a spirally reinforced column Capacity of column is decreased Ductility of column reduces Capacity of column is decreased but ductility of column increases Both the capacity of column and ductility of column increase Capacity of column is decreased Ductility of column reduces Capacity of column is decreased but ductility of column increases Both the capacity of column and ductility of column increase ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is (i) and (ii) (ii) and (iii) only (iii) All (i), (ii) and (iii) (i) and (ii) (ii) and (iii) only (iii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by fcr>fcs>fc. tcr – rcs = tct fcr fc5>fcr>fC fcr>fcs>fc. tcr – rcs = tct fcr fc5>fcr>fC ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by 40% 50% 70 % 60% 40% 50% 70 % 60% ANSWER DOWNLOAD EXAMIANS APP