Concrete Technology and Design of Concrete Structures The percentage of voids in cement is approximately 70% 50% 60% 40% 70% 50% 60% 40% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Approximate value of shrinkage strain in concrete, is 0.003 0.03 3.0E-5 0.0003 0.003 0.03 3.0E-5 0.0003 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs only in pretensioned beams only in post-tensioned beams None of these in both post-tensioned and preten-sioned beams only in pretensioned beams only in post-tensioned beams None of these in both post-tensioned and preten-sioned beams 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 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 increasing the depth of beam ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory is always less than 1 is always greater than 1 can be more than 1 can be less than 1 is always less than 1 is always greater than 1 can be more than 1 can be less than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is 0.55 d 0.43 d 0.68 d 0.85 d 0.55 d 0.43 d 0.68 d 0.85 d ANSWER DOWNLOAD EXAMIANS APP