Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about 15 to 20% more 25 to 50% more 20 to 25% more 10 to 15% more 15 to 20% more 25 to 50% more 20 to 25% more 10 to 15% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Select the incorrect statement... The loss of prestress is more in pre-tensioning system than in post-tensioning system. Pretensioning system has greater certainty about its durability. None of these For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system The loss of prestress is more in pre-tensioning system than in post-tensioning system. Pretensioning system has greater certainty about its durability. None of these For heavy loads and large spans in buildings or bridges, post-tensioning system is cheaper than pretensioning system ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Diagonal tension in a beam Remains same Is maximum at neutral axis Increases below the neutral axis and decreases above the neutral axis Decreases below the neutral axis and increases above the neutral axis Remains same Is maximum at neutral axis Increases below the neutral axis and decreases above the neutral axis Decreases below the neutral axis and increases above the neutral axis ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be more than 1 m 600 mm 750 mm 900 mm more than 1 m 600 mm 750 mm 900 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover to the ties or spirals should not be less than 15 mm 25 mm 20 mm 50mm 15 mm 25 mm 20 mm 50mm 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) 0.573 xu 0.446 xu 0.416 xu 0.367 xu 0.573 xu 0.446 xu 0.416 xu 0.367 xu ANSWER DOWNLOAD EXAMIANS APP