RCC STRUCTURES DESIGN QUIZ

D = W (a - b)/4a²bq

D = W (a² - b²)/8a²bq

D = W (a² - b²)/4a²bq

D = W (a² - b²)/4abq

30 mm diameter

24 mm diameter

36 mm diameter

18 mm diameter

Both (b) and (c)

Not considered for calculating the upward pressure on footing

Not considered for calculating the area of the footing

Also considered for calculating the upward pressure on footing

Base of the foundation

Foundation soil

Both B and C

Sub-grade

5% of wall weight

12% of wall weight

10% of wall weight

7% of wall weight

During deformation limits, Hook's law is equally applicable to concrete as well as to steel

Variation of stress in reinforcement due to changes in external loading is negligible

All listed here

A transverse plane section remains a plane after bending

w √(R + T)/T

w √(R² + T²)/T

w (R/T)

w (R + T)/T

Stress in concrete × area of concrete

None of these

Stress in steel × area of steel

Stress in concrete × area of concrete + Stress in steel × area of steel

40

56

30

50

WL/10 (L + 2D/3)²

WL/10 (L - 2D/3)²

WL/12 (L - D/3)²

WL/12 (L - 2D/3)²