RCC Structures Design
The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes

With the perpendicular to the inclined plane of the soil
With the horizontal
None of these
With the vertical

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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 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
All listed here

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RCC Structures Design
For a ribbed slab

Width of the rib shall not be less than 7.5 cm
Overall depth of the slab shall not exceed four times the breadth of the rib
All listed here
Clear spacing between ribs shall not be greater than 4.5 cm

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