Concrete Technology and Design of Concrete Structures According to Whitney’s theory, ultimate strain of concrete is assumed to be 0.6% 0.4% 0.3% 0.5% 0.6% 0.4% 0.3% 0.5% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the depth of neutral axis for a singly reinforced rectangular section is represented by kd in working stress design, then the value of k for balanced section depends on aCbC only depends on both crst and acbc is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on as, only depends on aCbC only depends on both crst and acbc is independant of both ast and acbc where d is the effective depth, ast is per-missible stress in steel in tension and ocbc is permissible stress in concrete in bending compression. depends on as, only ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures 1% of voids in a concrete mix would reduce its strength by about 15% 20% 10 % 5% 15% 20% 10 % 5% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If the depth of actual neutral axis in a beam is more than the depth of critical neutral axis, then the beam is called under-reinforced beam None of these balanced beam over-reinforced beam under-reinforced beam None of these balanced beam over-reinforced beam 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 To determine the modulus of rupture, the size of test specimen used is 100 x100 x700 mm 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 ANSWER DOWNLOAD EXAMIANS APP