Concrete Technology and Design of Concrete Structures Which of the following has high tensile strength ? cold drawn wires all have same tensile strength plain hot rolled wires heat treated rolled wires cold drawn wires all have same tensile strength plain hot rolled wires heat treated rolled wires ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The approximate value of the ratio between direct tensile strength and flexural strength is 1 0.5 0.75 0.33 1 0.5 0.75 0.33 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) 0.573 xu 0.416 xu 0.446 xu 0.367 xu 0.573 xu 0.416 xu 0.446 xu 0.367 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To impart initial compressive stress in concrete All of these To resist tensile stresses To provide adequate bond stress To impart initial compressive stress in concrete All of these To resist tensile stresses To provide adequate bond stress 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 ? shrinkage of concrete 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 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 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 effective depth of slab from periphery of column/drop panel ANSWER DOWNLOAD EXAMIANS APP