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
Related Mcqs:
- 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 - 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
- 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 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 - Based on punching shear consideration, the overall depth of a combined footing under a column A, is_______________?
A. (Area of the column A × Safe punching stress)/Load on column A
B. (Perimeter of column A × Safe punching stress)/(Load on column A + Upward pressure × Area of the column)
C. (Perimeter of column A × Safe punching stress)/(Load on column A × Upward pressure × Area of the column)
D. None of these - In a combined footing if shear stress exceeds 5 kg/cm2, the nominal stirrups provided are______________?
A. 6 legged
B. 8 legged
C. 10 legged
D. 12 legged - In a combined footing if shear stress does not exceed 5 kg/cm2, the nominal stirrups provided are________________?
A. 6 legged
B. 8 legged
C. 10 legged
D. 12 legged - If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is__________________?
A. Square
B. Rectangular
C. Trapezoidal
D. Triangular - The diameter of main bars in R.C.C. columns, shall not be less than________________?
A. 6 mm
B. 8 mm
C. 10 mm
D. 12 mm
