RCC Structures Design MCQs

142. If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than________________?

by
A. WL/12 (L – 2D/3)²
B. WL/10 (L + 2D/3)²
C. WL/10 (L – 2D/3)²
D. WL/12 (L – D/3)²
✅ The correct answer is option C.

144. per unit run exerted by the Total pressure on the vertical face of a retaining wall of height retained earth weighing per unit volume, is___________________?

by
A. wh [(1 – )/(1 + sin )]
B. wh² [(1 – )/(1 + sin )]
C. wh² [(1 – )/2(1 + sin )]
D. wh² [(1 – )/3(1 + sin )]
✅ The correct answer is option C.

149. Pick up the incorrect statement from the following?

by
A. In the stem of a retaining wall, reinforcement is provided near the earth side
B. In the toe slab of a retaining wall, reinforcement is provided at the bottom of the slab
C. In the heel slab of a retaining wall, reinforcement is provided at the top of the slab
D. None of these
✅ The correct answer is option D.