A column is regarded as long column if the ratio of its effective length and lateral dimension, exceeds_________________?

Related Mcqs:

1. 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 – )

2. If the effective length of a 32 cm diameter R.C.C. column is 4.40 m, its slenderness ratio, is_______________?

   A. 40
   B. 45
   C. 50
   D. 55

3. If p1 and P2 are effective lateral loadings at the bottom and top exerted by a level earth subjected to a super-load on the vertical face of height h of a retaining wall, the horizontal pressure p per unit length of the wall, is____________________?

   A. [( – )/2] h
   B. [( + )/4] h
   C. [( + )/2] h
   D. ( – h

4. An R.C.C. column is treated as short column if its slenderness ratio is less than_______________?

   A. 30
   B. 35
   C. 40
   D. 50

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 diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than____________________?

   A. 4 mm
   B. 5 mm
   C. 6 mm
   D. 8 mm

7. If Ac, Asc and A are areas of concrete, longitudinal steel and section of a R.C.C. column and m and c are the modular ratio and maximum stress in the configuration of concrete, the strength of column is______________?

   A. cAc + m cAsc
   B. c(A – Asc) + m cAsc
   C. c[A + (m – 1)ASC]
   D. All the above

8. For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is____________________?

   A. 0.6
   B. 0.7
   C. 0.8
   D. 0.9

9. If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment____________________?

   A. WL/2
   B. WL/4
   C. WL/6
   D. WL/8

10. An R.C.C. column is treated as long if its slenderness ratio is greater than____________?

    A. 30
    B. 35
    C. 40
    D. 50