RCC Structures Design In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength 400 kg/cm² 300 kg/cm² 200 kg/cm² 100 kg/cm² 400 kg/cm² 300 kg/cm² 200 kg/cm² 100 kg/cm² 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)³ w₁/w₂ = l₂/l₁ w₁/w₂ = (l₂/l₁)² w₁/w₂ = (l₂/l₁)⁴ w₁/w₂ = (l₂/l₁)³ w₁/w₂ = l₂/l₁ w₁/w₂ = (l₂/l₁)² w₁/w₂ = (l₂/l₁)⁴ ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If ‘A’ is the sectional area of a pre-stressed rectangular beam provided with a tendon pre-stressed by a force ‘P’ through its centroidal longitudinal axis, the compressive stress in concrete, is P/2A 2A/P A/P P/A P/2A 2A/P A/P P/A ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the permissible compressive and tensile stresses in a singly reinforced beam are 50 kg/cm² and 1400 kg/cm² respectively and the modular ratio is 18, the percentage area At of the steel required for an economic section, is 0.496 % 0.796 % 0.596 % 0.696 % 0.496 % 0.796 % 0.596 % 0.696 % ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the depth of actual neutral axis of a doubly reinforced beam Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier All listed here Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier All listed here ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If jd is the lever arm and ΣO is the total perimeter of reinforcement of an R.C.C. beam, the bond stress at the section having Q shear force, is Q/2jdƩO 2 × Q/jdƩO Q/jdƩO Q/3jdƩO Q/2jdƩO 2 × Q/jdƩO Q/jdƩO Q/3jdƩO ANSWER DOWNLOAD EXAMIANS APP