Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about 20 to 25% more 25 to 50% more 10 to 15% more 15 to 20% more 20 to 25% more 25 to 50% more 10 to 15% more 15 to 20% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 10 % 20% 5% 15% 10 % 20% 5% 15% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stress The correct answer is (ii) and (iii) All (i), (ii) and (iii) (i) and (ii) only (iii) (ii) and (iii) All (i), (ii) and (iii) (i) and (ii) only (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Sinking of an intermediate support of a continuous beami) reduces the negative moment at supportii) increases the negative moment at supportiii) reduces the positive moment at center of spaniv) increases the positive moment at center of spanThe correct answer is (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) (i) and (iv) (ii) and (iii) (ii) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Freyssinet system Long line method Magnel-Blaton system Lee-Macall system Freyssinet system Long line method Magnel-Blaton system Lee-Macall system ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, high alumina cement has higher initial and final setting times higher initial setting time but lower final setting time lower initial setting time but higher final setting time lower initial and final setting times higher initial and final setting times higher initial setting time but lower final setting time lower initial setting time but higher final setting time lower initial and final setting times ANSWER DOWNLOAD EXAMIANS APP
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