RCC STRUCTURES DESIGN QUIZ

40

56

50

30

1

4 %

0.15 %

6

Breadth of the rib plus twelve times the thickness of the slab

One-third of the effective span of the T-beam

Distance between the centers of T-beam

Least of the above

5 mm

10 mm

15 mm

7.5 mm

All of these

Greater than 20 kg/cm², the size of the section is changed

Equal or less than 5 kg/cm², no shear reinforcement is provided

Greater than 4 kg/cm², but less than 20 kg/cm², shear reinforcement is provided

Is equal to the depth of critical neutral axis; the concrete and steel attain their maximum stresses simultaneously

Is greater than the depth of critical neutral axis, the concrete attains its maximum stress earlier

Is less than the depth of critical neutral axis, the steel in the tensile zone attains its maximum stress earlier

All listed here

Winder

Flight

Rise

Tread

y = L/2 - (l + x̅)

y = L/2 - (l - x̅)

y = L - (l - x̅)

y = L/2 + (l - x̅)

0.7

0.8

0.9

0.6

Open newel

Dog legged

Straight

Geometrical