Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 5% 15% 10 % 20% 5% 15% 10 % 20% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Air entrainment in the concrete increases the unit weight strength workability the effects of temperature variations the unit weight strength workability the effects of temperature variations ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of creep on modular ratio is to decrease it to keep it unchanged to increase it either to decrease or to increase it to decrease it to keep it unchanged to increase it either to decrease or to increase it ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Bulking of sand is maximum if moisture content is about 4% 7% 6% 5% 4% 7% 6% 5% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures For a reinforced concrete section, the shape of shear stress diagram is wholly rectangular parabolic above neutral axis and rectangular below neutral axis wholly parabolic rectangular above neutral axis and parabolic below neutral axis wholly rectangular parabolic above neutral axis and rectangular below neutral axis wholly parabolic rectangular above neutral axis and parabolic below neutral axis 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 0.367 xu 0.446 xu 0.416 xu 0.573 xu 0.367 xu 0.446 xu 0.416 xu ANSWER DOWNLOAD EXAMIANS APP
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