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 dependent on grade of concrete also 0.40 d 0.35 d 0.45 d dependent on grade of concrete also 0.40 d 0.35 d 0.45 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ± 10% of average ±20% of average ± 15% of average ±5% of average ± 10% of average ±20% of average ± 15% of average ±5% of average 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 20% 10% 15% 5% 20% 10% 15% 5% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Finer grinding of cement does not affect the strength affects only the ultimate strength affects only the early development of strength both (a) and (b) does not affect the strength affects only the ultimate strength affects only the early development of strength both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For walls, columns and vertical faces of all structural members, the form work is generally removed after 3 days 14 days 7 days 24 to 48 hours 3 days 14 days 7 days 24 to 48 hours ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, high alumina cement has lower initial setting time but higher final setting time higher initial setting time but lower final setting time higher initial and final setting times lower initial and final setting times lower initial setting time but higher final setting time higher initial setting time but lower final setting time higher initial and final setting times lower initial and final setting times ANSWER DOWNLOAD EXAMIANS APP
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