Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called air entraining agents workability admixtures retarders accelerators air entraining agents workability admixtures retarders accelerators ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Due to circumferential action of the spiral in a spirally reinforced column Ductility of column reduces Capacity of column is decreased Both the capacity of column and ductility of column increase Capacity of column is decreased but ductility of column increases Ductility of column reduces Capacity of column is decreased Both the capacity of column and ductility of column increase Capacity of column is decreased but ductility of column increases ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs in both post-tensioned and preten-sioned beams only in post-tensioned beams None of these only in pretensioned beams in both post-tensioned and preten-sioned beams only in post-tensioned beams None of these only in pretensioned beams ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures To minimize the effect of differential settlement, the area of a footing should be designed for Dead load + live load Live load + fraction of dead load Dead load only Dead load + fraction of live load Dead load + live load Live load + fraction of dead load Dead load only Dead load + fraction of live load 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 7 days 14 days 24 to 48 hours 3 days 7 days 14 days 24 to 48 hours ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be Above 0.92 0.85 - 0.92 0.75 - 0.80 0.75 - 0.80 Above 0.92 0.85 - 0.92 0.75 - 0.80 0.75 - 0.80 ANSWER DOWNLOAD EXAMIANS APP