To ensure uniform pressure distribution, the thickness of the foundation, is__________________?

Related Mcqs:

1. If A is the area of the foundation of a retaining wall carrying a load W and retaining earth of weight w per unit volume, the minimum depth (h) of the foundation from the free surface of the earth, is )/(1 + sin )]_________________?

   A. h = (W/Aw) [(1 –
   B. h = (W/Aw) [(1 + )/(1 + sin )]
   C. h = (W/Aw) [(1 – )/(1 + sin )]²
   D. h W/Aw) [(1 – )/(1 + sin )]²

2. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is__________________?

   A. Square
   B. Rectangular
   C. Trapezoidal
   D. Triangular

3. On an absolutely rigid foundation base, the pressure will________________?

   A. Be more at the edges of the foundation
   B. Be uniform
   C. Not be uniform
   D. Be zero at the centre of the foundation

4. If P kg/m2 is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by________________?

   A. D = 0.00775 aP
   B. D = 0.0775 aP
   C. D = 0.07775 aP
   D. D = 0.775 Pa

5. If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the pre-stressed beam is L, the upward uniform pressure will be________________?

   A. 8hp/ l
   B. 8hp/l²
   C. 8hl/p
   D. 8hl/p²

6. To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is________________?

   A. 0.107 L
   B. 0.207 L
   C. 0.307 L
   D. 0.407 L

7. A raft foundation is provided if its area exceeds the plan area of the building by______________?

   A. 10 %
   B. 20 %
   C. 40 %
   D. 50 %

8. A foundation is called shallow if its depth, is________________?

   A. One-fourth of its width
   B. Half of its width
   C. Three-fourth of its width
   D. Equal to its width

9. A foundation rests on_______________?

   A. Base of the foundation
   B. Sub-grade
   C. Foundation soil
   D. Both B. and C

10. For a number of columns constructed in a rcjw, the type of foundation provided, is_______________?

    A. Footing
    B. Raft
    C. Strap
    D. Strip