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 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 both crst and acbc depends on aCbC only depends on as, only 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 both crst and acbc depends on aCbC only depends on as, only ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In case of hand mixing of concrete, the extra cement to be added is 5% 10% 20% 15% 5% 10% 20% 15% ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is (i) and (iii) (ii) and (iii) (ii) and (iv) (i)and(iv) (i) and (iii) (ii) and (iii) (ii) and (iv) (i)and(iv) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on i) bottom face near counterfort ii) top face near counterfort iii) bottom face near centre of span iv) top face near centre of span The correct answer is both (i) and (iv) only (i) both (ii) and (iii) only (ii) both (i) and (iv) only (i) both (ii) and (iii) only (ii) ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures If nominal shear stress tv exceeds the design shear strength of concrete xc, the nominal shear reinforcement as per IS : 456-1978 shall be provided for carrying a shear stress equal to Tv + Tc xv xc Tv + Tc xv xc ANSWER DOWNLOAD EXAMIANS APP
Concrete Technology and Design of Concrete Structures Due to shrinkage stresses, a simply supported beam having reinforcement only at bottom tends to Deflect downward or upward Deflect downward None of these Deflect upward Deflect downward or upward Deflect downward None of these Deflect upward ANSWER DOWNLOAD EXAMIANS APP
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