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 Ultimate strength of cold drawn high steel wires increases with increase in diameter of bar does not depend on diameter of bar decreases with increase in diameter of bar None of these increases with increase in diameter of bar does not depend on diameter of bar decreases with increase in diameter of bar None of these 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 20 mm 10 mm 15 mm 30 mm 20 mm 10 mm 15 mm 30 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, high alumina cement has lower initial setting time but higher final setting time higher initial and final setting times lower initial and final setting times higher initial setting time but lower final setting time lower initial setting time but higher final setting time higher initial and final setting times lower initial and final setting times higher initial setting time but lower final setting time ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures To minimize the effect of differential settlement, the area of a footing should be designed for Dead load only Dead load + live load Live load + fraction of dead load Dead load + fraction of live load Dead load only Dead load + live load Live load + fraction of dead load Dead load + fraction of live load ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In prestressed concrete forces of tension and compression change but lever arm remains 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 remain unchanged both forces of tension and compres-sion as well as lever arm change forces of tension and compression change but lever arm remains 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 remain unchanged both forces of tension and compres-sion as well as lever arm change ANSWER DOWNLOAD EXAMIANS APP