Top 250+ Solved RCC Structures Design MCQ Questions Answer
Q. If the length of an intermediate span of a continuous slab is 5m, the length of the endspan is kept
a. 4.5 m
b. 4.0 m
c. 3.5 m
d. 3.0 m
Q. If L is the effective span of a R.C.C. beam which is subjected to maximum shear qmax at the ends, the distance from either end over which stirrups for the shear, are provided, is
a. (L/2) (1 - 3/qmax)
b. (L/3) (1 - 5/qmax)
c. (L/2) (1 - 5/qmax)
d. (L/2) (1 - 2/qmax)
Q. The angle of internal friction of soil mass is the angle whose
a. Tangent is equal to the rate of the maximum resistance to sliding on any internal inclined plane to the normal pressure acting on theplane
b. Sine is equal to the ratio ofthe maximum resistance to sliding on any internal inclined plane to the normal pressure acting on the plane
c. Cosine is equal to the ratio of themaximum resistance sliding on any internal inclined plane to the normal pressure acting on the plane
d. None of these
Q. If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is
a. w (R + T)/T
b. w (R² + T²)/T
c. w (R + T)/T
d. w (R/T)
Q. If the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendonto be provided should be.
a. Straight below centroidal axis
b. Parabolic with convexity downward
c. Parabolic with convexity upward
d. Straight above centroidal axis
Q. The steel generally used in R.C.C. work, is
a. Stainless
b. Mild steel
c. High carbon steel
d. High tensionsteel
Q. If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduction of B.M. is given by
a. (5/6) (r/1 + r²) M
b. (5/6) (r²/1 + r²)M
c. (5/6) (r²/1 + r3)M
d. (5/6) (r²/1 + r4) M
Q. A part of the slab may be considered as the flange of the T-beam if
a. Flange has adequate reinforcement transverse tobeam
b. It is built integrally with the beam
c. It is effectively bonded together with the beam
d. All the above
Q. By over-reinforcing a beam, the moment of resistance can be increased not more than
a. 10 %
b. 15 %
c. 20 %
d. 25%
Q. Total pressure on the vertical face of a retaining wall of height per unit run exerted by the retained earth weighing per unit volume, is
a. wh [(1 - )/(1 + sin )]
b. wh² [(1 - )/(1 + sin )]
c. wh² [(1 - )/2(1 + sin )]
d. wh²[(1 - )/3(1 + sin )]
Q. A singly reinforced beam has breadth b, effective depth d, depth of neutral axis n and critical neutral axis n1. If fc and ft are permissible compressive and tensile stresses, the moment to resistance of the beam, is
a. bn (fc/2) (d - n/3)
b. Atft (d - n/3)
c. ½ n1 (1 - n1/3) cbd²
d. All the above