Concrete Technology and Design of Concrete Structures Admixtures which cause early setting, and hardening of concrete are called retarders accelerators workability admixtures air entraining agents retarders accelerators workability admixtures air entraining agents ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be 0.40 d 0.45 d dependent on grade of concrete also 0.35 d 0.40 d 0.45 d dependent on grade of concrete also 0.35 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Diagonal tension in a beam Decreases below the neutral axis and increases above the neutral axis Increases below the neutral axis and decreases above the neutral axis Is maximum at neutral axis Remains same Decreases below the neutral axis and increases above the neutral axis Increases below the neutral axis and decreases above the neutral axis Is maximum at neutral axis Remains same 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) (i) and (iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i) and (iv) (ii) and (iv) (ii) and (iii) 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 0.87 fy 0.67 fy 0.37 fy 0.57 fy 0.87 fy 0.67 fy ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is 32 liters 30 liters 28 liters 34 liters 32 liters 30 liters 28 liters 34 liters ANSWER DOWNLOAD EXAMIANS APP