191. The diameter of longitudinal bars of a column should never be less than_____________?
A. 6 mm
B. 8 mm
C. 10 mm
D. 12 mm
✅ The correct answer is option D.
RCC Structures Design MCQs
192. The spacing of transverse reinforcement of column is decided by the following consideration_______________?
A. The least lateral dimension of the column
B. Sixteen times the diameter of the smallest longitudinal reinforcing rods in the column
C. Forty-eight times the diameter of transverse reinforcement
D. All the above
✅ The correct answer is option D.
193. The thickness of base slab of a retaining wall generally provided, is_____________?
A. One half of the width of the stem at the bottom
B. One -third of the width of the stem at the bottom
C. One fourth of the width of the steam at the bottom
D. Width of the stem at the bottom
✅ The correct answer is option D.
194. For a continuous floor slab supported on beams, the ratio of end span length and intermediate span length, is____________________?
A. 0.6
B. 0.7
C. 0.8
D. 0.9
✅ The correct answer is option D.
195. After pre-stressing process is completed, a loss of stress is due to______________?
A. Shrinkage of concrete
B. Elastic shortening of concrete
C. Creep of concrete
D. All the above
✅ The correct answer is option D.
196. effective depth and depth of the neutral axis respectively of a singly reinforced If d and n are the beam, the lever arm of the beam, is_________________?
A. d
B. n
C. d + n/3
D. d – n/3
✅ The correct answer is option D.
197. 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
✅ The correct answer is option D.
198. For a number of columns constructed in a rcjw, the type of foundation provided, is_______________?
A. Footing
B. Raft
C. Strap
D. Strip
✅ The correct answer is option D.
199. 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
✅ The correct answer is option D.
200. The neutral axis of a T-beam exists_________________?
A. Within the flange
B. At the bottom edge of the slab
C. Below the slab
D. All the above
✅ The correct answer is option D.