Concrete Technology and Design of Concrete Structures To determine the modulus of rupture, the size of test specimen used is 150 x150 x700 mm 100 x100 x700 mm 150 x150 x500 mm 100 x100 x500 mm 150 x150 x700 mm 100 x100 x700 mm 150 x150 x500 mm 100 x100 x500 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is (i)and(iv) (ii) and (iv) (i) and (iii) (ii) and (iii) (i)and(iv) (ii) and (iv) (i) and (iii) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The percentage of voids in cement is approximately 60% 50% 70% 40% 60% 50% 70% 40% 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 0.45 d 0.35 d dependent on grade of concrete also 0.40 d 0.45 d 0.35 d dependent on grade of concrete also 0.40 d ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Critical section for shear in case of flat slabs is at a distance of d/2 from periphery of column/capital/ drop panel effective depth of slab from periphery of column/drop panel at the periphery of column at the drop panel of slab d/2 from periphery of column/capital/ drop panel effective depth of slab from periphery of column/drop panel at the periphery of column at the drop panel of slab 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) 0.416 xu 0.367 xu 0.446 xu 0.573 xu 0.416 xu 0.367 xu 0.446 xu 0.573 xu ANSWER DOWNLOAD EXAMIANS APP