## 46. If the size of a column is reduced above the floor, the main bars of the columns, are

## 47. For initial estimate for a beam design, the width is assumed

## 48. [A + (m - 1) A_{SC}] known as equivalent concrete area of R.C.C. is given by

_{SC}] known as equivalent concrete area of R.C.C. is given by

## 49. The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6
t/cm^{2}, safe shear stress 5 kg/cm^{2} and B.M. 24 mt,

^{2}, safe shear stress 5 kg/cm

^{2}and B.M. 24 mt,

## 50. The maximum diameter of a bar used in a ribbed slab, is

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