Related Mcqs:

1. If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth D. of the footing from punching shear consideration, is____________________?

   A. D = W (a – b)/4a²bq

   B. D = W (a² – b²)/4a²bq

   C. D = W (a² – b²)/8a²bq

   D. D = W (a² – b²)/4abq

2. 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. WL/12 (L – 2D/3)²
   B. WL/10 (L + 2D/3)²
   C. WL/10 (L – 2D/3)²
   D. WL/12 (L – D/3)²

3. If the length of a combined footing for two columns l metres apart is L and the projection on the left side of the exterior column is x, then the projection y on the right side of the exterior column, in order to have a uniformly distributed load, is (where is the distance of centre of gravity of column loads______________?

   A. y = L – (l – ) )
   B. y = L/2 + (l –
   C. y = L/2 – (l + )
   D. y = L/2 – (l – )

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. In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at

   A. Less loaded column
   B. More loaded column
   C. A point of the maximum shear force
   D. A point of zero shear force

6. If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by_________________?

   A. 0.2
   B. 0.3
   C. 0.4
   D. 0.5

7. 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

8. is the pre-stressed force applied to the tendon of a rectangular pre-stressed beam whose area of cross section is and sectional modulus is . The maximum stress in the beam, subjected to a maximum bending moment , is_________________?

   A. f = (P/A) + (Z/M)
   B. f = (A/P) + (M/Z)
   C. f = (P/A) + (M/Z)
   D. f = (P/A) + (M/6Z)

9. If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from walls, is a cm, the depth D of footing is_______________?

   A. D = 0.0775 a
   B. D = 0.775 a
   C. D = 0.775 a
   D. D = 0.775 a2

10. is the pre- stressed force applied to tendon of a rectangular pre-stressed beam whose area of cross section is and sectional modulus is . The minimum stress on the beam subjected to a maximum bending moment is________________?

    A. f = (P/A) – (Z/M)
    B. f = (A/P) – (M/Z)
    C. f = (P/A) – (M/Z)
    D. f = (P/A) – (M/6Z)