RCC Structures Design
If permissible working stresses in steel and concrete are respectively 1400 kg/cm² and 80 kg/cm² and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is

37 cm
38 cm
39 cm
40 cm

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RCC Structures Design
Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than

24 diameters from the centre of the column
42 diameters from the inner edge of the column
42 diameters from the centre of the column
42 diameters from the outer edge of the column

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