Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? creep of concrete shrinkage of concrete elastic shortening of concrete loss due to friction creep of concrete shrinkage of concrete elastic shortening of concrete loss due to friction 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/d 2wR/d wR / 4d wR/2d wR/d 2wR/d wR / 4d wR/2d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is 5 m 3.5 m 4 m 6 m 5 m 3.5 m 4 m 6 m ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The property of the ingredients to separate from each other while placing the concrete is called shrinkage compaction bulking segregation shrinkage compaction bulking segregation ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover to the ties or spirals should not be less than 50mm 15 mm 20 mm 25 mm 50mm 15 mm 20 mm 25 mm 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% 20% 5% 15% 10% 20% 5% ANSWER DOWNLOAD EXAMIANS APP