Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases workability the effects of temperature variations strength the unit weight workability the effects of temperature variations strength the unit weight ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Sinking of an intermediate support of a continuous beami) reduces the negative moment at supportii) increases the negative moment at supportiii) reduces the positive moment at center of spaniv) increases the positive moment at center of spanThe correct answer is (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i) and (iv) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover to the ties or spirals should not be less than 50mm 15 mm 20 mm 25 mm 50mm 15 mm 20 mm 25 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete increases with richer mixes decreases with richer mixes remains constant None of these increases with richer mixes decreases with richer mixes remains constant None of these ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Normally prestressing wires are arranged in the anywhere upper part of the beam lower part of the beam center anywhere upper part of the beam lower part of the beam center 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) 0.37 fy 0.57 fy 0.67 fy 0.87 fy 0.37 fy 0.57 fy 0.67 fy 0.87 fy ANSWER DOWNLOAD EXAMIANS APP