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
According to the steel beam theory of doubly reinforced beams______________?
(A) Tension is resisted by tension steel
(B) Compression is resisted by compression steel
(C) Stress in tension steel equals the stress in compression steel
(D) All the above
If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is_____________?
(A) 10 mm
(B) 12 mm
(C) 14 mm
(D) 16 mm
The breadth of a ribbed slab containing two bars must be between______________?
(A) 6 cm to 7.5 cm
(B) 8 cm to 10 cm
(C) 10 cm to 12 cm
(D) 12 cm to 15 cm
A column is regarded as long column if the ratio of its effective length and lateral dimension, exceeds_________________?
(A) 10
(B) 15
(C) 20
(D) 25
The maximum diameter of a bar used in a ribbed slab, is______________?
(A) 12 mm
(B) 6 mm
(C) 20 mm
(D) 22 mm
If the depth of actual neutral axis of a doubly reinforced beam______________?
(A) Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier
(B) Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier
(C) Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously
(D) All the above
If the maximum shear stress at the end of a simply supported R.C.C. beam of 16 m effective span is 10 kg/cm2, the length of the beam having nominal reinforcement, is________________?
(A) 8 cm
(B) 6 m
(C) 8 m
(D) 10 m
With usual notations the depth of the neutral axis of a balanced section, is given by______________?
(A) mc/t = (d – n)/n
(B) t/mc = (d – n)/n
(C) t/mc = (d + n)/n
(D) mc/t = n/ (d – n)
In a beam the local bond stress Sb, is equal to_______________?
(A) Shear force/(Leaver arm × Total perimeter of reinforcement)
(B) Total perimeter of reinforcement/(Leaver arm × Shear force)
(C) Leaver arm/(Shear force × Total perimeter of reinforcement)
(D) Leaver arm/(Bending moment × Total perimeter of reinforcement)