Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete increases with richer mixes None of these decreases with richer mixes remains constant increases with richer mixes None of these decreases with richer mixes remains constant ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is (ii) and (iii) (i) and (iii) (ii) and (iv) (i)and(iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i)and(iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures A higher modular ratio shows lower compressive strength of concrete higher tensile strength of steel lower tensile strength of steel higher compressive strength of con-crete lower compressive strength of concrete higher tensile strength of steel lower tensile strength of steel higher compressive strength of con-crete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ±5% of average ± 10% of average ± 15% of average ±20% of average ±5% of average ± 10% of average ± 15% of average ±20% of average ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures When shear stress exceeds the permissible limit in a slab, then it is reduced by Increasing the depth Using thinner bars but more in number Using high strength steel Providing shear reinforcement Increasing the depth Using thinner bars but more in number Using high strength steel Providing shear reinforcement ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be 0.75 - 0.80 0.85 - 0.92 Above 0.92 0.75 - 0.80 0.75 - 0.80 0.85 - 0.92 Above 0.92 0.75 - 0.80 ANSWER DOWNLOAD EXAMIANS APP
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