A. 0.3 H
B. 0.4 H
C. 0.5 H
D. 0.7 H
Related Mcqs:
- 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 - The thickness of base slab of a retaining wall generally provided, is_____________?
A. One half of the width of the stem at the bottom
B. One -third of the width of the stem at the bottom
C. One fourth of the width of the steam at the bottom
D. Width of the stem at the bottom - To have pressure wholly compressive under the base of a retaining wall of width b, the resultant of the weight of the wall and the pressure exerted by the retained, earth should have eccentricity not more than________________?
A. b/3
B. b/4
C. b/5
D. b/6 - 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 - 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 - 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 - 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 - The design of heel slab of a retaining wall is based on the maximum bending moment due to______________?
A. Its own weight
B. Weight of the soil above it
C. Load of the surcharge, if any
D. All the above - 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 - 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