Concrete Technology and Design of Concrete Structures According to Whitney’s theory, ultimate strain of concrete is assumed to be 0.3% 0.4% 0.6% 0.5% 0.3% 0.4% 0.6% 0.5% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called air entraining agents accelerators workability admixtures retarders air entraining agents accelerators workability admixtures retarders 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/2d wR/d wR / 4d 2wR/d wR/2d wR/d wR / 4d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures High carbon content in the steel causes increase in tensile strength but decrease in ductility decrease in tensile strength but increase in ductility decrease in both tensile strength and ductility increase in both tensile strength and ductility increase in tensile strength but decrease in ductility decrease in tensile strength but increase in ductility decrease in both tensile strength and ductility increase in both tensile strength and ductility ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The relation between modulus of rupture fcr, splitting strength fcs and direct tensile strength fcl is given by tcr – rcs = tct fcr>fcs>fc. fc5>fcr>fC fcr tcr – rcs = tct fcr>fcs>fc. fc5>fcr>fC fcr ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be 900 mm 600 mm more than 1 m 750 mm 900 mm 600 mm more than 1 m 750 mm ANSWER DOWNLOAD EXAMIANS APP