Concrete Technology and Design of Concrete Structures Minimum grade of concrete to be used in reinforced concrete as per IS:456-1978 is M15 M10 M20 M25 M15 M10 M20 M25 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? creep of concrete loss due to friction elastic shortening of concrete shrinkage of concrete creep of concrete loss due to friction elastic shortening of concrete shrinkage of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The permissible diagonal tensile stress in reinforced brick work is zero 0.3 N/mm² to 0.7 N/mm² about 0.1 N/mm² about 1.0 N/mm² zero 0.3 N/mm² to 0.7 N/mm² about 0.1 N/mm² about 1.0 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete isi) to increase shrinkageii) to decrease shrinkageiii) to increase setting timeiv) to decrease setting timeThe correct answer is (ii) and (iv) (i)and(iv) (ii) and (iii) (i) and (iii) (ii) and (iv) (i)and(iv) (ii) and (iii) (i) and (iii) 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 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 d/2 from periphery of column/capital/ drop panel 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) 0.367 xu 0.416 xu 0.446 xu 0.573 xu 0.367 xu 0.416 xu 0.446 xu 0.573 xu ANSWER DOWNLOAD EXAMIANS APP