Concrete Technology and Design of Concrete Structures Which of the following losses of prestress occurs only in pretensioning and not in post-tensioning ? loss due to friction elastic shortening of concrete creep of concrete shrinkage of concrete loss due to friction elastic shortening of concrete creep of concrete shrinkage of concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the permissible stress in steel in tension is 140 N/mm², then the depth of neutral axis for a singly reinforced rectangular balanced section will be 0.45 d dependent on grade of concrete also 0.40 d 0.35 d 0.45 d dependent on grade of concrete also 0.40 d 0.35 d 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 35 MPa and 42 MPa 42 MPa and 35 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa 35 MPa and 42 MPa 42 MPa and 35 MPa 53 MPa and 42 MPa 42 MPa and 53 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In symmetrically reinforced sections, shrinkage stresses in concrete and steel are respectively both compressive compressive and tensile both tensile tensile and compressive both compressive compressive and tensile both tensile tensile and compressive ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Due to circumferential action of the spiral in a spirally reinforced column Ductility of column reduces Capacity of column is decreased but ductility of column increases Capacity of column is decreased Both the capacity of column and ductility of column increase Ductility of column reduces Capacity of column is decreased but ductility of column increases Capacity of column is decreased Both the capacity of column and ductility of column increase ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the size of panel in a flat slab is 6m x 6m, then as per Indian Standard Code, the widths of column strip and middle strip are 3.0 m and 3.0 m 3.0 m and 1.5 m 1.5 m and 1.5 m 1.5 m and 3.0 m 3.0 m and 3.0 m 3.0 m and 1.5 m 1.5 m and 1.5 m 1.5 m and 3.0 m ANSWER DOWNLOAD EXAMIANS APP