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 2A/P P/A A/P P/2A 2A/P P/A A/P P/2A ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the depth of actual neutral axis of a doubly reinforced beam 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 Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier All listed here ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design Pick up the assumption for the design of a pre-stressed concrete member from the following: Variation of stress in reinforcement due to changes in external loading is negligible All listed here During deformation limits, Hook's law is equally applicable to concrete as well as to steel A transverse plane section remains a plane after bending Variation of stress in reinforcement due to changes in external loading is negligible All listed here During deformation limits, Hook's law is equally applicable to concrete as well as to steel A transverse plane section remains a plane after bending 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 Coincides the geometrical centre of the beam Remains within the flange None of these Remains below the slab Coincides the geometrical centre of the beam Remains within the flange None of these Remains below the slab 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/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) ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The minimum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of 25 mm 20 mm 15 mm 10 mm 25 mm 20 mm 15 mm 10 mm ANSWER DOWNLOAD EXAMIANS APP
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