Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stress The correct answer is All (i), (ii) and (iii) (ii) and (iii) (i) and (ii) only (iii) All (i), (ii) and (iii) (ii) and (iii) (i) and (ii) only (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases workability strength the effects of temperature variations the unit weight workability strength the effects of temperature variations the unit weight ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In order to obtain the best workability of concrete, the preferred shape of aggregate is rounded elongated All of these angular rounded elongated All of these angular ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the foundations of all the columns of a structure are designed on the total live and dead load basis, then there will be no settlement of columns the settlement of exterior columns will be more than interior columns there will be no differential settlement the settlement of interior columns will be more than exterior columns there will be no settlement of columns the settlement of exterior columns will be more than interior columns there will be no differential settlement the settlement of interior columns will be more than exterior columns 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 ? elastic shortening of concrete shrinkage of concrete loss due to friction creep of concrete elastic shortening of concrete shrinkage of concrete loss due to friction creep of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The maximum value of hoop compression in a dome is given by (where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome) wR / 4d wR/d 2wR/d wR/2d wR / 4d wR/d 2wR/d wR/2d ANSWER DOWNLOAD EXAMIANS APP
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