Concrete Technology and Design of Concrete Structures Workability of concrete is inversely proportional to time of transit vater-cement ratio size of aggregate the air in the mix time of transit vater-cement ratio size of aggregate the air in the mix ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Finer grinding of cement does not affect the strength affects only the early development of strength both (a) and (b) affects only the ultimate strength does not affect the strength affects only the early development of strength both (a) and (b) affects only the ultimate strength 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 fcr fcr>fcs>fc. tcr – rcs = tct fc5>fcr>fC fcr fcr>fcs>fc. tcr – rcs = tct ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete None of these increases with richer mixes decreases with richer mixes remains constant None of these increases with richer mixes decreases with richer mixes remains constant ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The approximate value of the ratio between direct tensile strength and flexural strength is 0.33 1 0.5 0.75 0.33 1 0.5 0.75 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by 40% 60% 50% 70 % 40% 60% 50% 70 % ANSWER DOWNLOAD EXAMIANS APP