Concrete Technology and Design of Concrete Structures For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than 45mm 50 mm 40 mm 60 mm 45mm 50 mm 40 mm 60 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be 600 mm 750 mm 900 mm more than 1 m 600 mm 750 mm 900 mm more than 1 m ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In order to obtain the best workability of concrete, the preferred shape of aggregate is elongated rounded All of these angular elongated rounded All of these angular 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 Providing shear reinforcement Using thinner bars but more in number Increasing the depth Using high strength steel Providing shear reinforcement Using thinner bars but more in number Increasing the depth Using high strength steel 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 1.5 2 2.5 3 1.5 2 2.5 3 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about 15 to 20% more 10 to 15% more 20 to 25% more 25 to 50% more 15 to 20% more 10 to 15% more 20 to 25% more 25 to 50% more ANSWER DOWNLOAD EXAMIANS APP