Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called air entraining agents workability admixtures accelerators retarders air entraining agents workability admixtures accelerators retarders ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Strength of concrete increases with decrease in size of aggregate decrease in curing time increase in water-cement ratio increase in fineness of cement decrease in size of aggregate decrease in curing time increase in water-cement ratio increase in fineness of cement ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Approximate value of shrinkage strain in concrete, is 0.03 3.0E-5 0.0003 0.003 0.03 3.0E-5 0.0003 0.003 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum diameter of longitudinal bars in a column is 12 mm 6 mm 16 mm 8 mm 12 mm 6 mm 16 mm 8 mm ANSWER DOWNLOAD EXAMIANS APP
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) (i) and (ii) (ii) and (iii) only (iii) All (i), (ii) and (iii) (i) and (ii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added is 15% 10% 5% 20% 15% 10% 5% 20% ANSWER DOWNLOAD EXAMIANS APP