Top 250+ Solved RCC Structures Design MCQ Questions Answer
Q. If W is the load on a circular slab of radius R, the maximum circumferential momentat the centre of the slab, is
a. WR²/16
b. 2WR²/16
c. 3WR²/16
d. Zero
Q. If is weight of a retainingwall and is the horizontal earth pressure, the factor of safety against sliding, is
a. 1.0
b. 1.25
c. 1.5
d. 2.0
Q. The effective span of a simply supported slab, is
a. Distance between the centres of thebearings
b. Clear distance between the inner faces of the walls plus twice the thickness of the wall
c. Clear span plus effective depth of the slab
d. None of these
Q. In a beam the local bond stress Sb, is equal to
a. Shearforce/(Leaver arm× Total perimeter ofreinforcement)
b. Total perimeter ofreinforcement/(Leaver arm × Shearforce)
c. Leaver arm/(Shearforce × Total perimeter ofreinforcement)
d. Leaver arm/(Bendingmoment × Total perimeter ofreinforcement)
Q. A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is
a. 2.5
b. 2.0
c. Less than 2
d. Less than 2.5
Q. 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)
Q. Pick up the true statement from the following:
a. Plain ceiling provides the best property diffusing light
b. In the absence of beams, it is easier to installpiping
c. In the absence of beams, it is easier topaint
d. All the above
Q. 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
Q. 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 bardiameters
b. 18 bardiameters
c. 24 bardiameters
d. 30 bardiameters
Q. 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. standardsystem
d. Lee-McCallsystem
Q. 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 yieldfirst
Q. 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
Q. In a doubly-reinforced beam if and is 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