Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? elastic shortening of concrete loss due to friction creep of concrete shrinkage of concrete elastic shortening of concrete loss due to friction creep of concrete shrinkage of concrete 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 (iii) (i)and(iv) (ii) and (iv) (ii) and (iii) (i) and (iii) (i)and(iv) (ii) and (iv) (ii) and (iii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In T-shaped R C. retaining walls, the main reinforcement in the stem is provided on the inner face in both directions the front face in both directions the front face in one direction the inner face in one direction the inner face in both directions the front face in both directions the front face in one direction the inner face in one direction 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 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 at the periphery of column ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For walls, columns and vertical faces of all structural members, the form work is generally removed after 24 to 48 hours 14 days 7 days 3 days 24 to 48 hours 14 days 7 days 3 days ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is (i) and (ii) All (i), (ii) and (iii) (ii) and (iii) only (iii) (i) and (ii) All (i), (ii) and (iii) (ii) and (iii) only (iii) ANSWER DOWNLOAD EXAMIANS APP