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 elastic shortening of concrete creep of concrete loss due to friction shrinkage of concrete elastic shortening of concrete creep of concrete loss due to friction ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The depth of footing for an isolated column is governed by i) maximum bending moment ii) shear force iii) punching shear The correct answer is (i) and (iii) only (i) (i) and (ii) (i), (ii) and (iii) (i) and (iii) only (i) (i) and (ii) (i), (ii) and (iii) 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 xc xv Tv + Tc xc xv Tv + Tc ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 10 % 5% 15% 20% 10 % 5% 15% 20% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For the design of retaining walls, the minimum factor of safety against overturning is taken as 2 3 1.5 2.5 2 3 1.5 2.5 ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Modulus of rupture of concrete is a measure of split tensile strength compressive strength flexural tensile strength direct tensile strength split tensile strength compressive strength flexural tensile strength direct tensile strength ANSWER DOWNLOAD EXAMIANS APP