Concrete Technology and Design of Concrete Structures Strength of concrete increases with decrease in size of aggregate increase in fineness of cement decrease in curing time increase in water-cement ratio decrease in size of aggregate increase in fineness of cement decrease in curing time increase in water-cement ratio ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In prestressed concrete both forces of tension and compres-sion as well as lever arm remain unchanged forces of tension and compressions remain unchanged but lever arm changes with the moment both forces of tension and compres-sion as well as lever arm change forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm remain unchanged forces of tension and compressions remain unchanged but lever arm changes with the moment both forces of tension and compres-sion as well as lever arm change forces of tension and compression change but lever arm remains unchanged ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Ratio of permissible stress in direct compression and bending compression is between 1.5 and 2.0 less than 1 between 1 and 1.5 greater than 2 between 1.5 and 2.0 less than 1 between 1 and 1.5 greater than 2 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 All (i), (ii) and (iii) only (iii) (i) and (ii) (ii) and (iii) All (i), (ii) and (iii) only (iii) (i) and (ii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In working stress design, permissible bond stress in the case of deformed bars is more than that in plain bars by 50% 70 % 60% 40% 50% 70 % 60% 40% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Due to circumferential action of the spiral in a spirally reinforced column Ductility of column reduces Capacity of column is decreased Both the capacity of column and ductility of column increase Capacity of column is decreased but ductility of column increases Ductility of column reduces Capacity of column is decreased Both the capacity of column and ductility of column increase Capacity of column is decreased but ductility of column increases ANSWER DOWNLOAD EXAMIANS APP