A. 0.2
B. 0.3
C. 0.4
D. 0.5
✅ The correct answer is option D.
RCC Structures Design MCQs
A ribbed slab is provided for______________?
A. A plain ceiling
B. Thermal insulation
C. Acoustic insulation
D. All the above
✅ The correct answer is option D.
The minimum cube strength of concrete used for a pre-stressed member, is________________?
A. 50 kg/cm2
B. 150 kg/cm 2
C. 250 kg/cm2
D. 350 kg/cm2
✅ The correct answer is option D.
A foundation is called shallow if its depth, is________________?
A. One-fourth of its width
B. Half of its width
C. Three-fourth of its width
D. Equal to its width
✅ The correct answer is option D.
In a cantilever retaining wall without a heel slab______________?
A. Thickness of the stem is kept same throughout
B. Base slab is made 10 cm thicker than the stem
C. Width of the base slab is kept 0.7 time the total height of the wall
D. All the above
✅ The correct answer is option D.
A pre-stressed concrete member is preferred because___________________?
A. Its dimensions are not decided from the diagonal tensile stress
B. Large size of long beams carrying large shear force need not be adopted
C. Removal of cracks in the members due to shrinkage
D. All the above
✅ The correct answer is option D.
For stairs spanning horizontally, the minimum waist provided is________________?
A. 4 cm
B. 6 cm
C. 8 cm
D. 12 cm
✅ The correct answer is option D.
In a pre-stressed beam carrying an external load W with a bent tendon is having angle of -stressed load P. The net downward load at the centre is_________________?
A. W – 2P
B. W – P
C. W – P
D. W – 2P
✅ The correct answer is option D.
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)
✅ The correct answer is option D.
If Ac, Asc and A are areas of concrete, longitudinal steel and section of a R.C.C. column and m and c are the modular ratio and maximum stress in the configuration of concrete, the strength of column is______________?
A. cAc + m cAsc
B. c(A – Asc) + m cAsc
C. c[A + (m – 1)ASC]
D. All the above
✅ The correct answer is option D.