Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 5% 10 % 20% 15% 5% 10 % 20% 15% 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 (i) and (iii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i)and(iv) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ±20% of average ± 10% of average ± 15% of average ±5% of average ±20% of average ± 10% of average ± 15% of average ±5% of average 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 only (iii) (ii) and (iii) (i) and (ii) All (i), (ii) and (iii) only (iii) (ii) and (iii) (i) and (ii) All (i), (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is M25 M15 M20 M10 M25 M15 M20 M10 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Select the correct statement for Elastic modulus of high tensile steel is nearly the same as that of mild steel Carbon percentage in high carbon steel is less than that in mild steel High tensile steel is cheaper than mild steel Elastic modulus of high tensile steel is more than that of mild steel Elastic modulus of high tensile steel is nearly the same as that of mild steel Carbon percentage in high carbon steel is less than that in mild steel High tensile steel is cheaper than mild steel Elastic modulus of high tensile steel is more than that of mild steel ANSWER DOWNLOAD EXAMIANS APP