Related Mcqs:

1. 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

2. Enlarged head of a supporting column of a flat slab is technically known as______________?

   A. Supporting end of the column
   B. Top of the column
   C. Capital
   D. Drop panel

3. Thickened part of a flat slab over its supporting column, is technically known as_____________?

   A. Drop panel
   B. Column head
   C. Top of the column
   D. None of these

4. The effective width of a column strip of a flat slab, is_______________?

   A. One-fourth the width of the panel
   B. Half the width of the panel
   C. Radius of the column
   D. Diameter of the column

5. If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is_______________?

   A. K/x (1 + x/d) + bw
   B. Kx (1 – x/l) + bw
   C. Kx (1 + x/l) + bw
   D. All the above

6. 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 – )

7. In case the factor of safety against sliding is less than 1.5, a portion of slab is constructed downwards at the end of the heel slab, which is known as___________________?

   A. A key
   B. A cut-off wall
   C. A rib
   D. All the above

8. Long and short spans of a two way slab are l and l and load on the slab acting on strips parallel to lx and ly be wx and wy respectively. Accordingy to xRankine Grashoff theory___________________?

   A. (wx/wy) = (ly/lx)
   B. (wx/wy) = (ly/lx)²
   C. (wx/wy) = (ly/lx)4
   D. None of these

9. If W is the load on a circular slab of radius R, the maximum circumferential moment at the centre of the slab, is________________?

   A. WR²/16
   B. 2WR²/16
   C. 3WR²/16
   D. Zero

10. An R.C.C. roof slab is designed as a two way slab if________________?

    A. It supports live loads in both directions
    B. The ratio of spans in two directions is less than 2
    C. The slab is continuous over two supports
    D. The slab is discontinuous at edges