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 )]_________________?

Related Mcqs:

According to I.S. : 456, slabs which span in two directions with corners held down, are assumed to be divided in each direction into middle strips and edge strips such that the width of the middle strip, is______________?

A. Half of the width of the slab B. Two -third of the width of the slab C. Three-fourth of the width of the slab D. Four-fifth of the width of the slab...

A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm2 steel. If the modular ratio (m) is 15, the depth of the neutral axis, is_________________?

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

If the diameter of longitudinal bars of a square column is 16 mm, the diameter of lateral ties should not be less than____________________?

A. 4 mm B. 5 mm C. 6 mm D. 8 mm...

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...

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...