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 42 MPa and 53 MPa 35 MPa and 42 MPa 53 MPa and 42 MPa 42 MPa and 35 MPa 42 MPa and 53 MPa 35 MPa and 42 MPa 53 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Poisson’s ratio for concrete decreases with richer mixes remains constant None of these increases with richer mixes decreases with richer mixes remains constant None of these increases with richer mixes ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on i) bottom face near counterfort ii) top face near counterfort iii) bottom face near centre of span iv) top face near centre of span The correct answer is only (ii) both (i) and (iv) both (ii) and (iii) only (i) only (ii) both (i) and (iv) both (ii) and (iii) only (i) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section depends on as, only is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on both crst and acbc depends on aCbC only depends on as, only is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on both crst and acbc depends on aCbC only ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In counterfort retaining walls, the main reinforcement in the stem at support is Not provided Provided only on inner face Provided only on front face Provided both on inner and front faces Not provided Provided only on inner face Provided only on front face Provided both on inner and front faces ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Select the correct statement for Elastic modulus of high tensile steel is nearly the same as that of mild steel High tensile steel is cheaper than mild steel Elastic modulus of high tensile steel is more than that of mild steel Carbon percentage in high carbon steel is less than that in mild steel Elastic modulus of high tensile steel is nearly the same as that of mild steel High tensile steel is cheaper than mild steel Elastic modulus of high tensile steel is more than that of mild steel Carbon percentage in high carbon steel is less than that in mild steel ANSWER DOWNLOAD EXAMIANS APP