RCC Structures Design In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength 200 kg/cm² 300 kg/cm² 100 kg/cm² 400 kg/cm² 200 kg/cm² 300 kg/cm² 100 kg/cm² 400 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the permissible compressive stress for a concrete in bending is C kg/m², the modular ratio is 2800/C 2300/2C 2800/C² 2800/3C 2800/C 2300/2C 2800/C² 2800/3C ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If l₁ and l₂ are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w₁ and w₂ acting on strips parallel to l₂ and l₁ is w₁/w₂ = l₂/l₁ w₁/w₂ = (l₂/l₁)² w₁/w₂ = (l₂/l₁)³ w₁/w₂ = (l₂/l₁)⁴ w₁/w₂ = l₂/l₁ w₁/w₂ = (l₂/l₁)² w₁/w₂ = (l₂/l₁)³ w₁/w₂ = (l₂/l₁)⁴ ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is: (C - 1) mf + eE (C - 1) mf - eE (1 - C) mf - eE (1 - C) mf + eE (C - 1) mf + eE (C - 1) mf - eE (1 - C) mf - eE (1 - C) mf + eE ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor) √(M/Q) √(M/100Q) M/100Q M/10√Q √(M/Q) √(M/100Q) M/100Q M/10√Q ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design A T-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis Remains below the slab Remains within the flange Coincides the geometrical centre of the beam None of these Remains below the slab Remains within the flange Coincides the geometrical centre of the beam None of these ANSWER DOWNLOAD EXAMIANS APP
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