Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is only (iii) All (i), (ii) and (iii) (ii) and (iii) (i) and (ii) only (iii) All (i), (ii) and (iii) (ii) and (iii) (i) and (ii) 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 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 As compared to ordinary portland cement, use of pozzuolanic cement reduces workability increases shrinkage increases bleeding increases strength reduces workability increases shrinkage increases bleeding increases strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The average permissible stress in bond for plain bars in tension is decreased by 25% for bars in compression increased by 10% for bars in compression increased by 25% for bars in compression decreased by 10% for bars in compression decreased by 25% for bars in compression increased by 10% for bars in compression increased by 25% for bars in compression decreased by 10% for bars in compression ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete decreases with richer mixes increases with richer mixes remains constant None of these decreases with richer mixes increases with richer mixes remains constant None of these 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) 0.573 xu 0.367 xu 0.446 xu 0.416 xu 0.573 xu 0.367 xu 0.446 xu 0.416 xu ANSWER DOWNLOAD EXAMIANS APP