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RCC Structures Design problems

  • 1. Based on punching shear consideration, the overall depth of a combined footing under a column A, is

  • Options
  • A.
  • B.
  • C.
  • D. None of these.
    • Discuss
  • 2. If T and R are the tread and rise of a stair which carries a load w per square metre on slope, the corresponding load per square metre of the horizontal area, is

  • Options
  • A.
  • B.
  • C.
  • D.
  • E.
    • Discuss
  • 3. A pre-cast pile generally used, is

  • Options
  • A. circular
  • B. square
  • C. octagonal
  • D. square with corners chamfered.
    • Discuss
  • 4. 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
  • 5. 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
  • 6. 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
  • 7. 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
  • 8. 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
  • 9. 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.
  • B.
  • C.
  • D.
  • E. none of these.
    • Discuss
  • 10. 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

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