Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Lee-Macall system Freyssinet system Long line method Magnel-Blaton system Lee-Macall system Freyssinet system Long line method Magnel-Blaton system 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 loss due to friction creep of concrete shrinkage of concrete elastic shortening of concrete loss due to friction creep of concrete shrinkage of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stressThe correct answer is (ii) and (iii) only (iii) All (i), (ii) and (iii) (i) and (ii) (ii) and (iii) only (iii) All (i), (ii) and (iii) (i) and (ii) 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/2d 2wR/d wR/d wR / 4d wR/2d 2wR/d wR/d wR / 4d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on i) bottom face near counterfort ii) top face near counterfort iii) bottom face near centre of span iv) top face near centre of span The correct answer is both (ii) and (iii) only (i) both (i) and (iv) only (ii) both (ii) and (iii) only (i) both (i) and (iv) only (ii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The diameter of ties in a column should be More than or equal to one fourth of diameter of main bar More than or equal to 5 mm More than 5 mm but less than one-fourth of diameter of main bar More than 5 mm and also more than one-fourth of diameter of main bar More than or equal to one fourth of diameter of main bar More than or equal to 5 mm More than 5 mm but less than one-fourth of diameter of main bar More than 5 mm and also more than one-fourth of diameter of main bar ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS