A. Square
B. Rectangular
C. Trapezoidal
D. Triangular
Related Mcqs:
- If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth D. of the footing from punching shear consideration, is____________________?
A. D = W (a – b)/4a²bq
B. D = W (a² – b²)/4a²bq
C. D = W (a² – b²)/8a²bq
D. D = W (a² – b²)/4abq
- If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from walls, is a cm, the depth D of footing is_______________?
A. D = 0.0775 a
B. D = 0.775 a
C. D = 0.775 a
D. D = 0.775 a2 - 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 - Top bars are extended to the projecting parts of the combined footing of two columns Ldistance apart for a distance of_______________?
A. 0.1 L from the outer edge of column
B. 0.1 L from the centre edge of column
C. Half the distance of projection
D. One -fourth the distance of projection - 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 – ) - Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than____________?
A. 42 diameters from the centre of the column
B. 42 diameters from the inner edge of the column
C. 42 diameters from the outer edge of the column
D. 24 diameters from the centre of the column - In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at
A. Less loaded column
B. More loaded column
C. A point of the maximum shear force
D. A point of zero shear force - If P kg/m2 is the upward pressure on the slab of a plain concrete footing whose projection on either side of the wall is a cm, the depth of foundation D is given by________________?
A. D = 0.00775 aP
B. D = 0.0775 aP
C. D = 0.07775 aP
D. D = 0.775 Pa - For a number of columns constructed in a rcjw, the type of foundation provided, is_______________?
A. Footing
B. Raft
C. Strap
D. Strip - 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
