Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? shrinkage of concrete creep of concrete elastic shortening of concrete loss due to friction shrinkage of concrete creep of concrete elastic shortening of concrete loss due to friction 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>fcs>fc. tcr – rcs = tct fc5>fcr>fC fcr fcr>fcs>fc. tcr – rcs = tct fc5>fcr>fC fcr 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 increasing the depth of beam using thicker bars but less in number providing vertical stirrups using thinner bars but more in number increasing the depth of beam using thicker bars but less in number providing vertical stirrups using thinner bars but more in number ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the size of panel in a flat slab is 6m x 6m, then as per Indian Standard Code, the widths of column strip and middle strip are 3.0 m and 3.0 m 3.0 m and 1.5 m 1.5 m and 3.0 m 1.5 m and 1.5 m 3.0 m and 3.0 m 3.0 m and 1.5 m 1.5 m and 3.0 m 1.5 m and 1.5 m 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) 0.573 xu 0.367 xu 0.416 xu 0.446 xu 0.573 xu 0.367 xu 0.416 xu 0.446 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than 40 mm 50 mm 45mm 60 mm 40 mm 50 mm 45mm 60 mm ANSWER DOWNLOAD EXAMIANS APP