Concrete Technology and Design of Concrete Structures The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel) 0.37 fy 0.87 fy 0.57 fy 0.67 fy 0.37 fy 0.87 fy 0.57 fy 0.67 fy 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 wR/2d wR / 4d 2wR/d wR/d wR/2d wR / 4d 2wR/d 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 Both the capacity of column and ductility of column increase Capacity of column is decreased but ductility of column increases Capacity of column is decreased Ductility of column reduces Both the capacity of column and ductility of column increase Capacity of column is decreased but ductility of column increases Capacity of column is decreased ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To resist tensile stresses To impart initial compressive stress in concrete To provide adequate bond stress All of these To resist tensile stresses To impart initial compressive stress in concrete To provide adequate bond stress All of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than 50 mm 45mm 40 mm 60 mm 50 mm 45mm 40 mm 60 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Workability of concrete is inversely proportional to time of transit vater-cement ratio the air in the mix size of aggregate time of transit vater-cement ratio the air in the mix size of aggregate ANSWER DOWNLOAD EXAMIANS APP