Concrete Technology and Design of Concrete Structures The purpose of reinforcement in pre-stressed concrete is To resist tensile stresses To provide adequate bond stress All of these To impart initial compressive stress in concrete To resist tensile stresses To provide adequate bond stress All of these To impart initial compressive stress in concrete ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ± 10% of average ± 15% of average ±5% of average ±20% of average ± 10% of average ± 15% of average ±5% of average ±20% of average 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 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 42 MPa and 35 MPa 42 MPa and 53 MPa 35 MPa and 42 MPa ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Which of the following R.C. retaining walls is suitable for heights beyond 6m? T-shaped wall L-shaped wall All of these counterfort type T-shaped wall L-shaped wall All of these counterfort type 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) 0.416 xu 0.446 xu 0.367 xu 0.573 xu 0.416 xu 0.446 xu 0.367 xu 0.573 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures A higher modular ratio shows lower compressive strength of concrete lower tensile strength of steel higher tensile strength of steel higher compressive strength of con-crete lower compressive strength of concrete lower tensile strength of steel higher tensile strength of steel higher compressive strength of con-crete ANSWER DOWNLOAD EXAMIANS APP