RCC Structures Design
Though the effective depth of a T-beam is the distance between the top compression edge to the centre of the tensile reinforcement, for heavy loads, it is taken as

1/8th of the span
1/16th of the span
1/12th of the span
1/10th of the span

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RCC Structures Design
Based on punching shear consideration, the overall depth of a combined footing under a column A, is

(Perimeter of column A × Safe punching stress)/(Load on column A × Upward pressure × Area of the column)
(Perimeter of column A × Safe punching stress)/(Load on column A + Upward pressure × Area of the column)
(Area of the column A × Safe punching stress)/Load on column A
None of these

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RCC Structures Design
If the shear stress in a R.C.C. beam is

All of these
Greater than 4 kg/cm², but less than 20 kg/cm², shear reinforcement is provided
Equal or less than 5 kg/cm², no shear reinforcement is provided
Greater than 20 kg/cm², the size of the section is changed

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