Concrete Technology and Design of Concrete Structures Increase in the moisture content in concrete All of these reduces the strength increases the strength does not change the strength All of these reduces the strength increases the strength does not change the strength 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) 0.57 fy 0.37 fy 0.67 fy 0.87 fy 0.57 fy 0.37 fy 0.67 fy 0.87 fy ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Finer grinding of cement does not affect the strength affects only the ultimate strength both (a) and (b) affects only the early development of strength does not affect the strength affects only the ultimate strength both (a) and (b) affects only the early development of strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to Whitney’s theory, ultimate strain of concrete is assumed to be 0.5% 0.6% 0.4% 0.3% 0.5% 0.6% 0.4% 0.3% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Most common method of prestressing used for factory production is Lee-Macall system Magnel-Blaton system Long line method Freyssinet system Lee-Macall system Magnel-Blaton system Long line method Freyssinet system ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory can be less than 1 can be more than 1 is always greater than 1 is always less than 1 can be less than 1 can be more than 1 is always greater than 1 is always less than 1 ANSWER DOWNLOAD EXAMIANS APP