RCC STRUCTURES DESIGN QUIZ

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

WL/10 (L + 2D/3)²

WL/12 (L - 2D/3)²

WL/10 (L - 2D/3)²

WL/12 (L - D/3)²

TRUE ANSWER : ?
YOUR ANSWER : ?

Minimum spacing between horizontal parallel reinforcement of the same size should not be less than

3 diameters

One diameter

3.5 diameters

2.5 diameters

TRUE ANSWER : ?
YOUR ANSWER : ?

If l₁ and l₂ are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w₁ and w₂ acting on strips parallel to l₂ and l₁ is

w₁/w₂ = l₂/l₁

w₁/w₂ = (l₂/l₁)³

w₁/w₂ = (l₂/l₁)²

w₁/w₂ = (l₂/l₁)⁴

TRUE ANSWER : ?
YOUR ANSWER : ?

The maximum area of tension reinforcement in beams shall not exceed

1

4 %

0.15 %

6

TRUE ANSWER : ?
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Columns may be made of plain concrete if their unsupported lengths do not exceed their least lateral dimension

Three times

Four times

Two times

Five times

TRUE ANSWER : ?
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The pitch of the main bars in a simply supported slab, should not exceed its effective depth by

Three times

Four times

Five times

Six times

TRUE ANSWER : ?
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The thickness of the topping of a ribbed slab, varies between

12 cm to 15 cm

3 cm to 5 cm

5 cm to 8 cm

8 cm to 10 cm

TRUE ANSWER : ?
YOUR ANSWER : ?

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

(L/2) (1 - 5/qmax)

(L/3) (1 - 5/qmax)

(L/2) (1 - 3/qmax)

(L/2) (1 - 2/qmax)

TRUE ANSWER : ?
YOUR ANSWER : ?

On piles, the drop must be at least

80 cm

124 cm

120 cm

123 cm

TRUE ANSWER : ?
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The diameter of longitudinal bars of a column should never be less than

10 mm

8 mm

6 mm

12 mm

TRUE ANSWER : ?
YOUR ANSWER : ?

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