Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases strength the effects of temperature variations workability the unit weight strength the effects of temperature variations workability the unit weight ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Sinking of an intermediate support of a continuous beam i) reduces the negative moment at support ii) increases the negative moment at support iii) reduces the positive moment at center of span iv) increases the positive moment at center of span The correct answer is (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The approximate value of the ratio between direct tensile strength and flexural strength is 0.5 0.75 0.33 1 0.5 0.75 0.33 1 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 forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm change 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 forces of tension and compression change but lever arm remains unchanged both forces of tension and compres-sion as well as lever arm change ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures When shear stress exceeds the permissible limit in a slab, then it is reduced by Using high strength steel Using thinner bars but more in number Providing shear reinforcement Increasing the depth Using high strength steel Using thinner bars but more in number Providing shear reinforcement Increasing the depth ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures As compared to ordinary portland cement, high alumina cement has lower initial and final setting times lower initial setting time but higher final setting time higher initial setting time but lower final setting time higher initial and final setting times lower initial and final setting times lower initial setting time but higher final setting time higher initial setting time but lower final setting time higher initial and final setting times ANSWER DOWNLOAD EXAMIANS APP
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