Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called air entraining agents retarders accelerators workability admixtures air entraining agents retarders accelerators workability admixtures ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Ratio of permissible stress in direct compression and bending compression is between 1.5 and 2.0 greater than 2 between 1 and 1.5 less than 1 between 1.5 and 2.0 greater than 2 between 1 and 1.5 less than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The main reinforcement in the toe of a T- shaped R C. retaining wall is provided on i) top face parallel to the wall ii) top face perpendicular to the wall iii) bottom face paralleUo the wall iv) bottom face perpendicular to the wall The correct answer is only (iv) is correct (iii) and (iv) are correct only (ii) is correct (i) and (ii) are correct only (iv) is correct (iii) and (iv) are correct only (ii) is correct (i) and (ii) are correct 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 wR / 4d 2wR/d wR/d wR/2d wR / 4d 2wR/d wR/d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete decreases with richer mixes remains constant None of these increases with richer mixes decreases with richer mixes remains constant None of these increases with richer mixes ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a counterfort retaining wall, the main reinforcement is provided on the i) bottom face in front counterfort ii) inclined face in front counterfort iii) bottom face in back counterfort iv) inclined face in back counterEort The correct answer is (i) and (iv) (i) and (ii), (ii) and (iii) (iii) and (iv) (i) and (iv) (i) and (ii), (ii) and (iii) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
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