Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called air entraining agents retarders accelerators workability admixtures air entraining agents retarders accelerators workability admixtures ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 10 % 5% 15% 20% 10 % 5% 15% 20% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is (i) and (iii) (ii) and (iv) (ii) and (iii) (i)and(iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i)and(iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Select the incorrect statement for ... Lean mixes bleed more as compared to rich ones. Bleeding can be minimized by adding pozzuolana finer aggregate. None of these Bleeding can be increased by addition of calcium chloride. Lean mixes bleed more as compared to rich ones. Bleeding can be minimized by adding pozzuolana finer aggregate. None of these Bleeding can be increased by addition of calcium chloride. ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Freyssinet system Magnel-Blaton system Lee-Macall system Long line method Freyssinet system Magnel-Blaton system Lee-Macall system Long line method ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If a beam fails in bond, then its bond strength can be increased most economi-cally by increasing the depth of beam using thicker bars but less in number providing vertical stirrups using thinner bars but more in number increasing the depth of beam using thicker bars but less in number providing vertical stirrups using thinner bars but more in number ANSWER DOWNLOAD EXAMIANS APP