For the following questions answer them individually
If w is total load per unit area on a panel, D is the diameter of the column head. L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than
A] $$\frac{WL}{12}\left(L - \frac{2D}{3}\right)^2$$
B] $$\frac{WL}{10}\left(L + \frac{2D}{3}\right)^2$$
C] $$\frac{WL}{10}\left(L - \frac{2D}{3}\right)^2$$
D] $$\frac{WL}{12}\left(L - \frac{D}{3}\right)^2$$
For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment is
If permissible compressive stress in concrete is 50 kg/cm$$^2$$, tensile stress in steel is 1400 kg/cm$$^2$$ and modular ratio is 18, the depth of the beam is
1] $$d = \sqrt{\frac{0.11765 \times B.M}{breadth}}$$
2] $$d = \sqrt{\frac{0.22765 \times B.M}{breadth}}$$
3] $$d = \sqrt{\frac{0.33765 \times B.M}{breadth}}$$
4] $$d = \sqrt{\frac{0.44765 \times B.M}{breadth}}$$
If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted is
Maximum shear stress theory for the failure of a material at the elastic limit is known as
A simply supported beam carries a varying load from zero at one end and w at the other end. If the length of the beam is a, the maximum bending moment will be
A] $$\frac{wa}{27}$$
B]Â $$\frac{wa^2}{27}$$
C]Â $$\frac{w^2a}{\sqrt{27}}$$
D]Â $$\frac{wa^2}{9\sqrt{3}}$$
