Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete decreases with richer mixes remains constant increases with richer mixes None of these decreases with richer mixes remains constant increases with richer mixes None of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Select the incorrect statement... None of these Pretensioning system has greater certainty about its durability. The loss of prestress is more in pre-tensioning system than in post-tensioning system. For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system None of these Pretensioning system has greater certainty about its durability. The loss of prestress is more in pre-tensioning system than in post-tensioning system. For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In counterfort type retaining walls i) the vertical slab is designed as a continuous slab ii) the heel slab is designed as a continuous slab iii) the vertical slab is designed as a cantilever iv) the heel slab is designed as a cantilever The correct answer is (i) and (iv) (ii) and (iii) (i) and (ii) (iii) and (iv) (i) and (iv) (ii) and (iii) (i) and (ii) (iii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a spherical dome the hoop stress due to a concentrated load at crown is partly compressive and partly tensile compressive everywhere zero tensile everywhere partly compressive and partly tensile compressive everywhere zero tensile everywhere 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/d 2wR/d wR / 4d wR/2d wR/d 2wR/d wR / 4d wR/2d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Sinking of an intermediate support of a continuous beam i) reduces the negative moment at support ii) increases the negative moment at support iii) reduces the positive moment at center of span iv) increases the positive moment at center of span The correct answer is (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP