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_______________?

Related Mcqs:

1. The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes_______________?

   A. With the horizontal
   B. With the vertical
   C. With the perpendicular to the inclined plane of the soil
   D. None of these

2. For stairs spanning l metres longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is_______________?

   A. wl²/4
   B. wl²/8
   C. wl²/12
   D. wl²/16

3. 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

4. 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

5. If depth of slab is 10 cm, width of web 30 cm, depth of web 50 cm, centre to centre distance of beams 3 m, effective span of beams 6 m, the effective flange width of the beam, is________________?

   A. 200 cm
   B. 300 cm
   C. 150 cm
   D. 100 cm

6. An R.C.C beam of 25 cm width has a clear span of 5 metres and carries a U.D.L. of 2000 kg/m inclusive of its self weight. If the lever arm of the section is 45 cm., the beam is__________________?

   A. Safe in shear
   B. Is safe with stirrups
   C. Is safe with stirrups and inclined members
   D. Needs revision of the section

7. If longitudinally spanning stairs are casted along with their landings, the maximum bending moment per metre width, is taken as___________________?

   A. wl²/4
   B. wl²/8
   C. wl²/10
   D. wl²/12

8. An R.C.C. beam of 25 cm width and 50 cm effective depth has a clear span of 6 metres and carries a U.D.L. of 3000 kg/m inclusive of its self weight. If the lever arm constant for the section is 0.865, the maximum intensity of shear stress, is_______________?

   A. 8.3 kg/cm2
   B. 7.6 kg/cm2
   C. 21.5 kg/cm 2
   D. 11.4 kg/cm2

9. The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm2 and 250 kg/cm 2 respectively. If m = 15, the depth of its neutral axis is_______________?

   A. 20 cm
   B. 25 cm
   C. 30 cm
   D. 35 cm

10. If permissible working stresses in steel and concrete are respectively 1400 kg/cm2 and 80 kg/cm2 and modular ratio is 18, in a beam reinforced in tension side and of width 30 cm and having effective depth 46 cm, the lever arms of the section, is______________?

    A. 37 cm

    B. 38 cm

    C. 39 cm

    D. 40 cm