Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases strength the effects of temperature variations the unit weight workability strength the effects of temperature variations the unit weight workability ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone bond stress compressive stress tensile stress shear stress bond stress compressive stress tensile stress shear stress ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 20% 5% 15% 10 % 20% 5% 15% 10 % ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Diagonal tension in a beam Increases below the neutral axis and decreases above the neutral axis Remains same Is maximum at neutral axis Decreases below the neutral axis and increases above the neutral axis Increases below the neutral axis and decreases above the neutral axis Remains same Is maximum at neutral axis Decreases below the neutral axis and increases above the neutral axis 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 Increasing the depth Using thinner bars but more in number Providing shear reinforcement Using high strength steel Increasing the depth Using thinner bars but more in number Providing shear reinforcement ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The depth of footing for an isolated column is governed byi) maximum bending momentii) shear forceiii) punching shear The correct answer is (i) and (ii) (i), (ii) and (iii) only (i) (i) and (iii) (i) and (ii) (i), (ii) and (iii) only (i) (i) and (iii) ANSWER DOWNLOAD EXAMIANS APP