Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 5% 15% 10 % 20% 5% 15% 10 % 20% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Maximum distance between expansion joints in structures as per IS : 456 – 1978 is 60 m 20 m 45 m 30 m 60 m 20 m 45 m 30 m ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added is 10% 15% 20% 5% 10% 15% 20% 5% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is M20 M15 M10 M25 M20 M15 M10 M25 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 2 2.5 1.5 3 2 2.5 1.5 3 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 Increasing the depth Using high strength steel Using thinner bars but more in number Providing shear reinforcement Increasing the depth Using high strength steel Using thinner bars but more in number Providing shear reinforcement ANSWER DOWNLOAD EXAMIANS APP