Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is All of these To provide adequate bond stress To impart initial compressive stress in concrete To resist tensile stresses All of these To provide adequate bond stress To impart initial compressive stress in concrete To resist tensile stresses 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 M10 M20 M15 M25 M10 M20 M15 M25 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 0.35 d 0.45 d 0.40 d dependent on grade of concrete also 0.35 d 0.45 d 0.40 d dependent on grade of concrete also ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a slab supported on its four edges with corners held down and loaded uniformly, the Marcus correction factor to the moments obtained by Grashoff Rankine’s theory is always less than 1 can be more than 1 is always greater than 1 can be less than 1 is always less than 1 can be more than 1 is always greater than 1 can be less than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases the effects of temperature variations the unit weight workability strength the effects of temperature variations the unit weight workability strength ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Select the correct statement for High tensile steel is cheaper than mild steel Elastic modulus of high tensile steel is nearly the same as that of mild steel Elastic modulus of high tensile steel is more than that of mild steel Carbon percentage in high carbon steel is less than that in mild steel High tensile steel is cheaper than mild steel Elastic modulus of high tensile steel is nearly the same as that of mild steel Elastic modulus of high tensile steel is more than that of mild steel Carbon percentage in high carbon steel is less than that in mild steel ANSWER DOWNLOAD EXAMIANS APP