RCC Structures Design If p₁ and p₂ are mutually perpendicular principal stresses acting on a soil mass, the normal stress on any plane inclined at angle θ° to the principal plane carrying the principal stress p₁, is: [(p₁ + p₂)/2] + [(p₁ - p₂)/2] sin 2θ [(p₁ - p₂)/2] + [(p₁ + p₂)/2] sin 2θ [(p₁ + p₂)/2] + [(p₁ - p₂)/2] cos 2θ [(p₁ - p₂)/2] + [(p₁ + p₂)/2] cos 2θ [(p₁ + p₂)/2] + [(p₁ - p₂)/2] sin 2θ [(p₁ - p₂)/2] + [(p₁ + p₂)/2] sin 2θ [(p₁ + p₂)/2] + [(p₁ - p₂)/2] cos 2θ [(p₁ - p₂)/2] + [(p₁ + p₂)/2] cos 2θ ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment WL/6 WL/2 WL/8 WL/4 WL/6 WL/2 WL/8 WL/4 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 thickness of the topping of a ribbed slab, varies between 12 cm to 15 cm 5 cm to 8 cm 8 cm to 10 cm 3 cm to 5 cm 12 cm to 15 cm 5 cm to 8 cm 8 cm to 10 cm 3 cm to 5 cm 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 - (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) y = L/2 - (l + x̅) ANSWER DOWNLOAD EXAMIANS APP
RCC Structures Design The system in which high tensile alloy steel bars (silica manganese steel) are used as pre-stressing tendons, is known as Lee-McCall system C.L. standard system Freyssinet system Magnel-Blaton system Lee-McCall system C.L. standard system Freyssinet system Magnel-Blaton system ANSWER DOWNLOAD EXAMIANS APP
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