Concrete Technology and Design of Concrete Structures The depth of footing for an isolated column is governed by i) maximum bending moment ii) shear force iii) punching shear The correct answer is only (i) (i) and (ii) (i) and (iii) (i), (ii) and (iii) only (i) (i) and (ii) (i) and (iii) (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In prestressed concrete forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm remain unchanged both forces of tension and compres-sion as well as lever arm change forces of tension and compressions remain unchanged but lever arm changes with the moment forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm remain unchanged both forces of tension and compres-sion as well as lever arm change forces of tension and compressions remain unchanged but lever arm changes with the moment ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Approximate value of shrinkage strain in concrete, is 3.0E-5 0.0003 0.03 0.003 3.0E-5 0.0003 0.03 0.003 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse) 0.446 xu 0.416 xu 0.367 xu 0.573 xu 0.446 xu 0.416 xu 0.367 xu 0.573 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures When shear stress exceeds the permissible limit in a slab, then it is reduced by Using high strength steel Using thinner bars but more in number Increasing the depth Providing shear reinforcement Using high strength steel Using thinner bars but more in number Increasing the depth Providing shear reinforcement ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs None of these in both post-tensioned and preten-sioned beams only in post-tensioned beams only in pretensioned beams None of these in both post-tensioned and preten-sioned beams only in post-tensioned beams only in pretensioned beams ANSWER DOWNLOAD EXAMIANS APP