Concrete Technology and Design of Concrete Structures To determine the modulus of rupture, the size of test specimen used is 150 x150 x700 mm 100 x100 x500 mm 150 x150 x500 mm 100 x100 x700 mm 150 x150 x700 mm 100 x100 x500 mm 150 x150 x500 mm 100 x100 x700 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The strength of concrete after one year as compared to 28 days strength is about 25 to 50% more 15 to 20% more 10 to 15% more 20 to 25% more 25 to 50% more 15 to 20% more 10 to 15% more 20 to 25% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The percentage of voids in cement is approximately 70% 40% 50% 60% 70% 40% 50% 60% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Diagonal tension in a beam Increases below the neutral axis and decreases above the neutral axis Decreases below the neutral axis and increases above the neutral axis Is maximum at neutral axis Remains same Increases below the neutral axis and decreases above the neutral axis Decreases below the neutral axis and increases above the neutral axis Is maximum at neutral axis Remains same ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Normally prestressing wires are arranged in the center anywhere upper part of the beam lower part of the beam center anywhere upper part of the beam lower part of the beam 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
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