Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases the effects of temperature variations workability strength the unit weight the effects of temperature variations workability strength the unit weight 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 aCbC only depends on as, 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 both crst and acbc depends on aCbC only depends on as, 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 both crst and acbc ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete remains constant decreases with richer mixes None of these increases with richer mixes remains constant decreases with richer mixes None of these increases with richer mixes ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Workability of concrete is inversely proportional to the air in the mix size of aggregate time of transit vater-cement ratio the air in the mix size of aggregate time of transit vater-cement ratio ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, high alumina cement has higher initial and final setting times lower initial setting time but higher final setting time higher initial setting time but lower final setting time lower initial and final setting times higher initial and final setting times lower initial setting time but higher final setting time higher initial setting time but lower final setting time lower initial and final setting times ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Bulking of sand is maximum if moisture content is about 5% 4% 7% 6% 5% 4% 7% 6% ANSWER DOWNLOAD EXAMIANS APP