Concrete Technology and Design of Concrete Structures The property of fresh concrete, in which the water in the mix tends to rise to the surface while placing and compacting, is called creep segregation bulking bleeding creep segregation bulking bleeding ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases workability the unit weight strength the effects of temperature variations workability the unit weight strength the effects of temperature variations ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse) 0.367 xu 0.573 xu 0.446 xu 0.416 xu 0.367 xu 0.573 xu 0.446 xu 0.416 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The average permissible stress in bond for plain bars in tension is decreased by 10% for bars in compression decreased by 25% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression decreased by 10% for bars in compression decreased by 25% for bars in compression increased by 25% for bars in compression increased by 10% for bars in compression 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 zero compressive everywhere tensile everywhere partly compressive and partly tensile zero compressive everywhere tensile everywhere partly compressive and partly tensile 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 fc5>fcr>fC fcr fcr>fcs>fc. tcr – rcs = tct fc5>fcr>fC fcr fcr>fcs>fc. ANSWER DOWNLOAD EXAMIANS APP