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) 0.57 fy 0.67 fy 0.87 fy 0.37 fy 0.57 fy 0.67 fy 0.87 fy 0.37 fy ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, use of pozzuolanic cement increases strength increases shrinkage reduces workability increases bleeding increases strength increases shrinkage reduces workability increases bleeding 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 more than 1 m 600 mm 750 mm 900 mm more than 1 m 600 mm 750 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be dependent on grade of concrete also 0.40 d 0.35 d 0.45 d dependent on grade of concrete also 0.40 d 0.35 d 0.45 d 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 fcr fcr>fcs>fc. fc5>fcr>fC tcr – rcs = tct fcr fcr>fcs>fc. fc5>fcr>fC tcr – rcs = tct ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a spherical dome the hoop stress due to a concentrated load at crown is partly compressive and partly tensile tensile everywhere zero compressive everywhere partly compressive and partly tensile tensile everywhere zero compressive everywhere ANSWER DOWNLOAD EXAMIANS APP