Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? shrinkage of concrete creep of concrete loss due to friction elastic shortening of concrete shrinkage of concrete creep of concrete loss due to friction elastic shortening of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In order to obtain the best workability of concrete, the preferred shape of aggregate is angular rounded All of these elongated angular rounded All of these elongated ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, use of pozzuolanic cement increases bleeding increases shrinkage increases strength reduces workability increases bleeding increases shrinkage increases strength reduces workability 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) (ii) and (iii) (i)and(iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i)and(iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse) 0.367 xu 0.573 xu 0.416 xu 0.446 xu 0.367 xu 0.573 xu 0.416 xu 0.446 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to IS: 456-1978, the column or the strut is the member whose effective length is greater than The least lateral dimension 3 times the least lateral dimension 2 times the least lateral dimension 4 times the least lateral dimension The least lateral dimension 3 times the least lateral dimension 2 times the least lateral dimension 4 times the least lateral dimension ANSWER DOWNLOAD EXAMIANS APP
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