The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes_______________?
(A) With the horizontal
(B) With the vertical
(C) With the perpendicular to the inclined plane of the soil
(D) None of these
The system in which high tensile alloy steel bars (silica manganese steel) are used as prestressing tendons, is known as________________?
(A) Freyssinet system
(B) Magnel-Blaton system
(C) C.C.L. standard system
(D) Lee-McCall system
In a doubly-reinforced beam if and the effective depth and is depth of critical neutral axis, the following relationship holds good______________?
(A) mc/t = n/(d – n)
(B) (m + c)/t = n/(d + n)
(C) (t + c)/n = (d + n)/n
(D) mc/t = (d – n)/t
The length of the lap in a compression member is kept greater than bar diameter x (Permissible stress in bar / Five times the bond stress) or____________________?
(A) 12 bar diameters
(B) 18 bar diameters
(C) 24 bar diameters
(D) 30 bar diameters
An under-reinforced section means_________________?
(A) Steel is provided at the underside only
(B) Steel provided is insufficient
(C) Steel provided on one face only
(D) Steel will yield first
The section of a reinforced beam where most distant concrete fibre in compression and tension in steel attains permissible stresses simultaneously, is called_________________?
(A) Balanced section
(B) Economic section
(C) Critical section
(D) All the above
If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment____________________?
(A) WL/2
(B) WL/4
(C) WL/6
(D) WL/8
The percentage of minimum reinforcement of the gross sectional area in slabs, is________________?
(A) 0.10 %
(B) 0.12 %
(C) 0.15 %
(D) 0.18 %
For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is___________________?
(A) 1
(B) 2
(C) 3
(D) 5
The width of the flange of a T-beam should be less than_________________?
(A) One- third of the effective span of the T -beam
(B) Distance between the centres of T-beam
(C) Breadth of the rib plus twelve times the thickness of the slab
(D) Least of the above