Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends uponi) humidity of atmosphereii) passage of timeiii) stressThe 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 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 percentage of voids in cement is approximately 50% 70% 40% 60% 50% 70% 40% 60% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover in a slab should neither be less than the diameter of bar nor less than 15 mm 30 mm 20 mm 10 mm 15 mm 30 mm 20 mm 10 mm 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) 0.416 xu 0.573 xu 0.446 xu 0.367 xu 0.416 xu 0.573 xu 0.446 xu 0.367 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The slab is designed as one way if the ratio of long span to short span is between 1 and 1.5 greater than 2 between 1.5 and 2 less than 1 between 1 and 1.5 greater than 2 between 1.5 and 2 less than 1 ANSWER DOWNLOAD EXAMIANS APP