RCC Structures Design The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm² and 250 kg/cm² respectively. If m = 15, the depth of its neutral axis is 30 cm 35 cm 25 cm 20 cm 30 cm 35 cm 25 cm 20 cm ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design In favourable circumstances a 15 cm concrete cube after 28 days, attains a maximum crushing strength 400 kg/cm² 100 kg/cm² 300 kg/cm² 200 kg/cm² 400 kg/cm² 100 kg/cm² 300 kg/cm² 200 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The minimum cube strength of concrete used for a pre-stressed member, is 350 kg/cm² 50 kg/cm² 250 kg/cm² 150 kg/cm² 350 kg/cm² 50 kg/cm² 250 kg/cm² 150 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the length of a combined footing for two columns l meters apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where x̅ is the distance of centre of gravity of column loads). y = L/2 - (l + x̅) y = L - (l - x̅) y = L/2 - (l - x̅) y = L/2 + (l - x̅) y = L/2 - (l + x̅) y = L - (l - x̅) y = L/2 - (l - x̅) y = L/2 + (l - x̅) ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If ‘W’ is the load on a circular slab of radius ‘R’, the maximum radial moment at the centre of the slab, is 3WR²/16 5WR²/16 2WR²/16 WR²/16 3WR²/16 5WR²/16 2WR²/16 WR²/16 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 All listed here Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier All listed here Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously ANSWER DOWNLOAD EXAMIANS APP
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