RCC Structures Design The Young's modulus of elasticity of steel, is 150 KN/mm² 275 KN/mm² 200 KN/mm² 250 KN/mm² 150 KN/mm² 275 KN/mm² 200 KN/mm² 250 KN/mm² 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 If the tendon is placed at an eccentricity e below the centroidal axis of the longitudinal axis of a rectangular beam (sectional modulus Z and stressed load P in tendon) the stress at the extreme top edge Is increased by Pe/Z Is increased by PZ/e Is decreased by Pe/Z Remains unchanged Is increased by Pe/Z Is increased by PZ/e Is decreased by Pe/Z Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If d is the diameter of a bar, ft is allowable tensile stress and fb, is allowable bond stress, the bond length is given by (π/4). (ft .d3/fb) π ft .d²/fb ft .d/4fb (π/4). (ft .d/fb) (π/4). (ft .d3/fb) π ft .d²/fb ft .d/4fb (π/4). (ft .d/fb) 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 In a pre-stressed member it is advisable to use Low strength concrete only Low strength concrete but high tensile steel High strength concrete and high tensile steel High strength concrete only Low strength concrete only Low strength concrete but high tensile steel High strength concrete and high tensile steel High strength concrete only ANSWER DOWNLOAD EXAMIANS APP
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