Concrete Technology and Design of Concrete Structures Workability of concrete is inversely proportional to vater-cement ratio size of aggregate the air in the mix time of transit vater-cement ratio size of aggregate the air in the mix time of transit ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added is 5% 15% 20% 10% 5% 15% 20% 10% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Diagonal tension in a beam Increases below the neutral axis and decreases above the neutral axis Remains same Decreases below the neutral axis and increases above the neutral axis Is maximum at neutral axis Increases below the neutral axis and decreases above the neutral axis Remains same Decreases below the neutral axis and increases above the neutral axis Is maximum at neutral axis ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To impart initial compressive stress in concrete To resist tensile stresses To provide adequate bond stress All of these To impart initial compressive stress in concrete To resist tensile stresses To provide adequate bond stress All of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section depends on both crst and acbc depends on aCbC only is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on as, only depends on both crst and acbc depends on aCbC only is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on as, only ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The depth of footing for an isolated column is governed byi) maximum bending momentii) shear forceiii) punching shear The correct answer is (i), (ii) and (iii) (i) and (iii) (i) and (ii) only (i) (i), (ii) and (iii) (i) and (iii) (i) and (ii) only (i) ANSWER DOWNLOAD EXAMIANS APP