Top 250+ Solved RCC Structures Design MCQ Questions Answer
Q. The maximum shear stress (qmax) in a rectangular beam is
a. 1.25 times the average
b. 1.50 timesthe average
c. 1.75 timesthe average
d. 2.0 times theaverage
Q. If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is
a. K/x (1 + x/d) + bw
b. Kx (1 - x/l) + bw
c. Kx (1 + x/l) + bw
d. All the above
Q. The length of the straight portion of a bar beyond the end of the hook, should be at least
a. Twice thediameter
b. Thrice thediameter
c. Four times the diameter
d. Seventimes the diameter
Q. If the maximum bending moment of a simply supported slab is M Kg.cm, the effective depth of the slab is (where Q is M.R. factor)
a. M/100Q
b. M/ Q
c. M/Q)
d. (M/100Q)
Q. If is the overall height of a retaining wall retaining a surcharge, the width ofthe base slab usually provided, is
a. 0.3 H
b. 0.4 H
c. 0.5 H
d. 0.7 H
Q. If diameter of a reinforcement bar is d, the anchorage value of the hook is
a. 4d
b. 8d
c. 12d
d. 16d
Q. As per I.S. 456 - 1978, the pH value of water shall be
a. Less than 6
b. Equal to 6
c. Not less than 6
d. Equal to 7
Q. For M 150 mix concrete, according to I.S. specifications, local bond stress, is
a. 5 kg/cm2
b. 10 kg/cm2
c. 15 kg/cm2
d. 20 kg/cm2
Q. The minimum cube strength of concrete used for a pre-stressed member, is
a. 50 kg/cm2
b. 150 kg/cm2
c. 250 kg/cm2
d. 350 kg/cm2
Q. The weight of a foundation is assumed as
a. 5% of wallweight
b. 7% of wallweight
c. 10% of wall weight
d. 12% of wallweight
Q. An R.C.C. column of 30 cm diameter is reinforced with 6 bars 12 mm placed symmetrically along the circumference. If it carries a load of 40, 000 kg axially, the stress is
a. 49.9 kg/cm2
b. 100 kg/cm2
c. 250 kg/cm2
d. 175 kg/cm2
Q. If the diameter of longitudinal bars of a square column is 16 mm, the diameter oflateral ties should not be less than
a. 4 mm
b. 5 mm
c. 6 mm
d. 8 mm
Q. Design of R.C.C. cantilever beams, is based on the resultant force at
a. Fixed end
b. Free end
c. Mid span
d. Mid span and fixed support