Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 10 % 15% 5% 20% 10 % 15% 5% 20% 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 0.43 d 0.68 d 0.85 d 0.55 d 0.43 d 0.68 d 0.85 d 0.55 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be 0.35 d dependent on grade of concrete also 0.40 d 0.45 d 0.35 d dependent on grade of concrete also 0.40 d 0.45 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than 0.14 0.15 0.13 0.12 0.14 0.15 0.13 0.12 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel) 0.67 fy 0.87 fy 0.37 fy 0.57 fy 0.67 fy 0.87 fy 0.37 fy 0.57 fy 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 can be less than 1 is always greater than 1 can be more than 1 is always less than 1 can be less than 1 is always greater than 1 can be more than 1 ANSWER DOWNLOAD EXAMIANS APP