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 Above 0.92 0.75 - 0.80 0.75 - 0.80 0.85 - 0.92 Above 0.92 0.75 - 0.80 0.75 - 0.80 0.85 - 0.92 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Approximate value of shrinkage strain in concrete, is 3.0E-5 0.0003 0.003 0.03 3.0E-5 0.0003 0.003 0.03 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover to the ties or spirals should not be less than 20 mm 50mm 15 mm 25 mm 20 mm 50mm 15 mm 25 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? creep of concrete elastic shortening of concrete shrinkage of concrete loss due to friction creep of concrete elastic shortening of concrete shrinkage of concrete loss due to friction 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 span The correct answer is (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be 0.35 d 0.40 d dependent on grade of concrete also 0.45 d 0.35 d 0.40 d dependent on grade of concrete also 0.45 d ANSWER DOWNLOAD EXAMIANS APP
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