Concrete Technology and Design of Concrete Structures If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called under-reinforced beam None of these balanced beam over-reinforced beam under-reinforced beam None of these balanced beam over-reinforced beam ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called accelerators retarders workability admixtures air entraining agents accelerators retarders workability admixtures air entraining agents ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is (ii) and (iii) only (iii) (i) and (ii) All (i), (ii) and (iii) (ii) and (iii) only (iii) (i) and (ii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If a beam fails in bond, then its bond strength can be increased most economi-cally by using thinner bars but more in number providing vertical stirrups increasing the depth of beam using thicker bars but less in number using thinner bars but more in number providing vertical stirrups increasing the depth of beam using thicker bars but less in number 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 fc5>fcr>fC tcr – rcs = tct fcr>fcs>fc. fcr fc5>fcr>fC tcr – rcs = tct fcr>fcs>fc. fcr ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Maximum distance between expansion joints in structures as per IS : 456 – 1978 is 45 m 60 m 30 m 20 m 45 m 60 m 30 m 20 m ANSWER DOWNLOAD EXAMIANS APP