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 shrinkage of concrete elastic shortening of concrete creep of concrete loss due to friction shrinkage of concrete elastic shortening of concrete 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 xv xc Tv + Tc xv xc Tv + Tc 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 d/2 from periphery of column/capital/ drop panel at the periphery of column at the drop panel of slab effective depth of slab from periphery of column/drop panel d/2 from periphery of column/capital/ 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) 0.446 xu 0.367 xu 0.416 xu 0.573 xu 0.446 xu 0.367 xu 0.416 xu 0.573 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Cube strength of controlled concrete to be used for pretensioned and post-tensioned work respectively should not be less than 42 MPa and 35 MPa 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa 42 MPa and 35 MPa 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Prestress loss due to friction occurs only in post-tensioned beams None of these only in pretensioned beams in both post-tensioned and preten-sioned beams only in post-tensioned beams None of these only in pretensioned beams in both post-tensioned and preten-sioned beams ANSWER DOWNLOAD EXAMIANS APP
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