Concrete Technology and Design of Concrete Structures Workability of concrete is inversely proportional to the air in the mix time of transit vater-cement ratio size of aggregate the air in the mix time of transit vater-cement ratio size of aggregate ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For concreting of heavily reinforced sections without vibration, the workability of concrete expressed as compacting factor should be 0.75 - 0.80 Above 0.92 0.75 - 0.80 0.85 - 0.92 0.75 - 0.80 Above 0.92 0.75 - 0.80 0.85 - 0.92 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse) 0.446 xu 0.573 xu 0.367 xu 0.416 xu 0.446 xu 0.573 xu 0.367 xu 0.416 xu 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 can be less than 1 is always greater than 1 is always less than 1 can be more than 1 can be less than 1 is always greater than 1 is always less than 1 can be more than 1 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to Tv + Tc xc xv Tv + Tc xc xv ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In a spherical dome the hoop stress due to a concentrated load at crown is tensile everywhere compressive everywhere partly compressive and partly tensile zero tensile everywhere compressive everywhere partly compressive and partly tensile zero ANSWER DOWNLOAD EXAMIANS APP