Cantilever retaining walls can safely be used for a height not more than_______________?

Related Mcqs:

1. If is the overall height of a retaining wall retaining a surcharge, the width of the base slab usually provided, is________________?

   A. 0.3 H
   B. 0.4 H
   C. 0.5 H
   D. 0.7 H

2. In a cantilever retaining wall without a heel slab______________?

   A. Thickness of the stem is kept same throughout
   B. Base slab is made 10 cm thicker than the stem
   C. Width of the base slab is kept 0.7 time the total height of the wall
   D. All the above

3. The stem of a cantilever retaining wall which retains earth level with top is 6 m. If the angle of repose and weight of the soil per cubic metre are 30° and 2000 kg respectively, the effective width of the stem at the bottom, is_______________?

   A. 51.5
   B. 52.5
   C. 53.5
   D. 54.5

4. 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

5. 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

6. Total pressure on the vertical face of a retaining wall of height h acts parallel to free surface and from the base at a distance of_____________________?

   A. h /4
   B. h/3
   C. h/2
   D. 2h/3

7. per unit run exerted by the Total pressure on the vertical face of a retaining wall of height retained earth weighing per unit volume, is___________________?

   A. wh [(1 – )/(1 + sin )]
   B. wh² [(1 – )/(1 + sin )]
   C. wh² [(1 – )/2(1 + sin )]
   D. wh² [(1 – )/3(1 + sin )]

8. 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

9. The radius of a bar bend to form a hook, should not be less than_______________?

   A. Twice the diameter
   B. Thrice the diameter
   C. Four times the diameter
   D. Five times the diameter

10. Dimensions of a beam need be changed if the shear stress is more than_______________?

    A. 10 kg/cm2
    B. 15 kg/cm2
    C. 20 kg/cm2
    D. 25 kg/cm2