Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 5% 20% 10 % 15% 5% 20% 10 % 15% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The minimum cover in a slab should neither be less than the diameter of bar nor less than 30 mm 15 mm 20 mm 10 mm 30 mm 15 mm 20 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures According to Whitney’s theory, ultimate strain of concrete is assumed to be 0.6% 0.3% 0.4% 0.5% 0.6% 0.3% 0.4% 0.5% 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 0.416 xu 0.367 xu 0.446 xu 0.573 xu 0.416 xu 0.367 xu 0.446 xu 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 10 to 15% more 25 to 50% more 15 to 20% more 20 to 25% more 10 to 15% more 25 to 50% more 15 to 20% more 20 to 25% more ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures While designing the pile as a column, the end conditions are nearly one end fixed and other end hinged one end fixed and other end free both ends fixed both ends hinged one end fixed and other end hinged one end fixed and other end free both ends fixed both ends hinged ANSWER DOWNLOAD EXAMIANS APP