Concrete Technology and Design of Concrete Structures Finer grinding of cement affects only the ultimate strength both (a) and (b) affects only the early development of strength does not affect the strength affects only the ultimate strength both (a) and (b) affects only the early development of strength does not affect the strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome) wR/2d 2wR/d wR/d wR / 4d wR/2d 2wR/d wR/d wR / 4d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a spherical dome subjected to concentrated load at crown or uniformly distributed load, the meridional force is always tensile compressive tensile or compressive zero tensile compressive tensile or compressive zero 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 15% 10% 5% 20% 15% 10% 5% 20% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to Whitney’s theory, ultimate strain of concrete is assumed to be 0.3% 0.5% 0.4% 0.6% 0.3% 0.5% 0.4% 0.6% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The percentage of voids in cement is approximately 50% 40% 60% 70% 50% 40% 60% 70% ANSWER DOWNLOAD EXAMIANS APP