A. 50 cm
B. 75 cm
C. 100 cm
D. 120 cm
✅ The correct answer is option B.
RCC Structures Design MCQs
If a rectangular pre-stressed beam of an effective span of 5 meters and carrying a total load 3840 kg/m, is designed by the load balancing method, the central dip of the parabolic tendon should be_________________?
A. 5 cm
B. 10 cm
C. 15 cm
D. 20 cm
✅ The correct answer is option B.
For M 150 mix concrete, according to I.S. specifications, local bond stress, is_________________?
A. 5 kg/cm2
B. 10 kg/cm 2
C. 15 kg/cm2
D. 20 kg/cm2
✅ The correct answer is option B.
The amount of reinforcement for main bars in a slab, is based upon___________________?
A. Minimum bending moment
B. Maximum bending moment
C. Maximum shear force
D. Minimum shear force
✅ The correct answer is option B.
Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at________________?
A. Supports
B. Mid span
C. Every section
D. Quarter span
✅ The correct answer is option B.
If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is__________________?
A. Square
B. Rectangular
C. Trapezoidal
D. Triangular
✅ The correct answer is option B.
The reinforced concrete beam which has width 25 cm, lever arm 40 cm, shear force 6t/cm2, safe shear stress 5 kg/cm2 and B.M. 24 mt________________?
A. Is safe in shear
B. Is unsafe in shear
C. Is over safe in shear
D. Needs redesigning
✅ The correct answer is option B.
The maximum shear stress (qmax) in a rectangular beam is_______________?
A. 1.25 times the average
B. 1.50 times the average
C. 1.75 times the average
D. 2.0 times the average
✅ The correct answer is option B.
If the loading on a pre-stressed rectangular beam, is uniformly distributed, the tendon to be provided should be_______________?
A. Straight below centroidal axis
B. Parabolic with convexity downward
C. Parabolic with convexity upward
D. Straight above centroidal axis
✅ The correct answer is option B.
The effective width of a column strip of a flat slab, is_______________?
A. One-fourth the width of the panel
B. Half the width of the panel
C. Radius of the column
D. Diameter of the column
✅ The correct answer is option B.