Concrete Technology and Design of Concrete Structures The individual variation between test strength of sample should not be more than ± 10% of average ±20% of average ±5% of average ± 15% of average ± 10% of average ±20% of average ±5% of average ± 15% of average ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Strength of concrete increases with increase in fineness of cement decrease in curing time decrease in size of aggregate increase in water-cement ratio increase in fineness of cement decrease in curing time decrease in size of aggregate increase in water-cement ratio ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures A higher modular ratio shows higher tensile strength of steel lower compressive strength of concrete higher compressive strength of con-crete lower tensile strength of steel higher tensile strength of steel lower compressive strength of concrete higher compressive strength of con-crete lower tensile strength of steel 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) 0.446 xu 0.573 xu 0.416 xu 0.367 xu 0.446 xu 0.573 xu 0.416 xu 0.367 xu ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The main reason for providing number of reinforcing bars at a support in a simply supported beam is to resist in that zone tensile stress bond stress shear stress compressive stress tensile stress bond stress shear stress compressive stress ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Sinking of an intermediate support of a continuous beam i) reduces the negative moment at support ii) increases the negative moment at support iii) reduces the positive moment at center of span iv) increases the positive moment at center of span The correct answer is (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) (ii) and (iii) (i) and (iv) (i) and (iii) (ii) and (iv) ANSWER DOWNLOAD EXAMIANS APP