Concrete Technology and Design of Concrete Structures According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is 0.43 d 0.85 d 0.68 d 0.55 d 0.43 d 0.85 d 0.68 d 0.55 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? creep of concrete shrinkage of concrete loss due to friction elastic shortening of concrete creep of concrete shrinkage of concrete loss due to friction elastic shortening of concrete 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>fcs>fc. fcr tcr – rcs = tct fc5>fcr>fC fcr>fcs>fc. fcr tcr – rcs = tct ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Approximate value of shrinkage strain in concrete, is 0.03 3.0E-5 0.0003 0.003 0.03 3.0E-5 0.0003 0.003 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Bulking of sand is maximum if moisture content is about 4% 5% 7% 6% 4% 5% 7% 6% 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 providing vertical stirrups using thicker bars but less in number using thinner bars but more in number increasing the depth of beam providing vertical stirrups using thicker bars but less in number using thinner bars but more in number increasing the depth of beam ANSWER DOWNLOAD EXAMIANS APP
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