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  • Question

  • If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduction of B.M. is given by


  • Options
  • A. If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduc
  • B. If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduc
  • C. If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduc
  • D. If the ratio of long and short spans of a two way slab with corners held down is r, the actual reduc
  • E. none of these.

  • Correct Answer
  •  

    • RCC Structures Design problems

    Search Results

    • 1. For a number of columns constructed in a rcjw, the type of foundation provided, is

    • Options
    • A. footing
    • B. raft
    • C. strap
    • D. strip
    • E. a combination of the above.
      • Discuss
    • 2. A singly reinforced concrete beam of 25 cm width and 70 cm effective depth is provided with 18.75 cm2 steel. If the modular ratio (m) is 15, the depth of the neutral axis, is

    • Options
    • A. 20 cm
    • B. 25 cm
    • C. 30 cm
    • D. 35 cm
    • E. 40 cm
      • Discuss
    • 3. Pick up the assumption for the design of a prestressed concrete member from the following :

    • Options
    • A. A transverse plane section remains a plane after bending
    • B. During deformation limits, Hook's law is equally applicable to concrete as well as to steel
    • C. Variation of stress in reinforcement due to changes in external loading is negligible
    • D. All the above.
      • Discuss
    • 4. For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to

    • Options
    • A. 10
    • B. 15
    • C. 20
    • D. 25
    • E. 30
      • Discuss
    • 5. If q is the punching shear resistance per unit area a, is the side of a square footing for a column of side b, carrying a weight W including the weight of the footing, the depth (D) of the footing from punching shear consideration, is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 6. As the percentage of steel increases

    • Options
    • A. depth of neutral axis decreases
    • B. depth of neutral axis increases
    • C. lever arm increases
    • D. lever arm decreases
    • E. none of these.
      • Discuss
    • 7. If the maximum dip of a parabolic tendon carrying tension P is h and the effective length of the prestressed beam is L, the upward uniform pressure will be

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 8. If the bearing capacity of soil is 10 tonnes/cm2 and the projection of plain concrete footing from walls, is a cm, the depth D of footing is

    • Options
    • A. D = 0.0775 a
    • B. D = 0.775 a
    • C. D = 0.775a
    • D. D = 0.775 a2
      • Discuss
    • 9. The angle of repose of a soil is the maximum angle which the outer face of the soil mass makes

    • Options
    • A. with the horizontal
    • B. with the vertical
    • C. with the perpendicular to. the inclined plane of the soil
    • D. none of these.
      • Discuss
    • 10. The stresses developed in concrete and steel in reinforced concrete beam 25 cm width and 70 cm effective depth, are 62.5 kg/cm2 and 250 kg/cm2 respectively. If m = 15, the depth of its neutral axis is

    • Options
    • A. 20 cm
    • B. 25 cm
    • C. 30 cm
    • D. 35 cm
    • E. 40 cm
      • Discuss

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