Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? elastic shortening of concrete loss due to friction shrinkage of concrete creep of concrete elastic shortening of concrete loss due to friction shrinkage of concrete creep of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The permissible diagonal tensile stress in reinforced brick work is zero about 1.0 N/mm² 0.3 N/mm² to 0.7 N/mm² about 0.1 N/mm² zero about 1.0 N/mm² 0.3 N/mm² to 0.7 N/mm² about 0.1 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs only in post-tensioned beams None of these in both post-tensioned and preten-sioned beams only in pretensioned beams only in post-tensioned beams None of these in both post-tensioned and preten-sioned beams only in pretensioned beams 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) 2wR/d wR/d wR / 4d wR/2d 2wR/d wR/d wR / 4d wR/2d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In prestressed concrete forces of tension and compressions remain unchanged but lever arm changes with the moment both forces of tension and compres-sion as well as lever arm change forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm remain unchanged forces of tension and compressions remain unchanged but lever arm changes with the moment both forces of tension and compres-sion as well as lever arm change forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm remain unchanged 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 segregation bulking shrinkage compaction segregation bulking ANSWER DOWNLOAD EXAMIANS APP