RCC Structures Design
The self-weight of the footing, is

Not considered for calculating the upward pressure on footing
Both (b) and (c)
Also considered for calculating the upward pressure on footing
Not considered for calculating the area of the footing

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RCC Structures Design
A pre-stressed concrete member is preferred because

All listed here
Its dimensions are not decided from the diagonal tensile stress
Removal of cracks in the members due to shrinkage
Large size of long beams carrying large shear force need not be adopted

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