Concrete Technology and Design of Concrete Structures The percentage of voids in cement is approximately 70% 60% 40% 50% 70% 60% 40% 50% 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 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 change both forces of tension and compres-sion as well as lever arm remain unchanged 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 change ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The diameter of ties in a column should be More than 5 mm and also more than one-fourth of diameter of main bar More than or equal to one fourth of diameter of main bar More than 5 mm but less than one-fourth of diameter of main bar More than or equal to 5 mm More than 5 mm and also more than one-fourth of diameter of main bar More than or equal to one fourth of diameter of main bar More than 5 mm but less than one-fourth of diameter of main bar More than or equal to 5 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel) 0.67 fy 0.87 fy 0.37 fy 0.57 fy 0.67 fy 0.87 fy 0.37 fy 0.57 fy ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The main reinforcement in the toe of a T- shaped R C. retaining wall is provided on i) top face parallel to the wall ii) top face perpendicular to the wall iii) bottom face paralleUo the wall iv) bottom face perpendicular to the wall The correct answer is (i) and (ii) are correct only (ii) is correct (iii) and (iv) are correct only (iv) is correct (i) and (ii) are correct only (ii) is correct (iii) and (iv) are correct only (iv) is correct ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For the design of retaining walls, the minimum factor of safety against overturning is taken as 3 2.5 1.5 2 3 2.5 1.5 2 ANSWER DOWNLOAD EXAMIANS APP