Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ±5% of average ±20% of average ± 10% of average ± 15% of average ±5% of average ±20% of average ± 10% of average ± 15% of average ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to IS : 456- 1978, minimum slenderness ratio for a short column is more than 24 between 18 and 24 less than 12 less than 18 more than 24 between 18 and 24 less than 12 less than 18 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory is always greater than 1 can be more than 1 can be less than 1 is always less than 1 is always greater than 1 can be more than 1 can be less than 1 is always less than 1 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 / 4d wR/d wR/2d 2wR/d wR / 4d wR/d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) 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 Ultimate strength of cold drawn high steel wires None of these does not depend on diameter of bar increases with increase in diameter of bar decreases with increase in diameter of bar None of these does not depend on diameter of bar increases with increase in diameter of bar decreases with increase in diameter of bar ANSWER DOWNLOAD EXAMIANS APP