Concrete technology and design of concrete structures
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Concrete technology and design of concrete structures questions with answers

100 multiple-choice questions. Open any question for its answer and explanation.

  1. The permissible diagonal tensile stress in reinforced brick work is
  2. Shrinkage of concrete depends upon i) humidity of atmosphere ii) passage of time iii) stress The correct answer is
  3. In counterfort type retaining walls i) the vertical slab is designed as a continuous slab ii) the heel slab is designed as a continuous slab iii) the vertical slab is designed as a cantilever iv) the heel slab is designed as a cantilever The correct answer is
  4. Sinking of an intermediate support of a continuous beam i) reduces the negative moment at support ii) increases the negative moment at support iii) reduces the positive moment at center of span iv) increases the positive moment at center of span The correct answer is
  5. In a ring beam subjected to uniformly distributed load i) shear force at mid span is zero ii) shear force at mid span is maximum iii) torsion at mid span is zero iv) torsion at mid span is maximum The correct answer is
  6. The depth of footing for an isolated column is governed by i) maximum bending moment ii) shear force iii) punching shear The correct answer is
  7. In the design of a front counterfort in a counterfort retaining wall, the main reinforcement is provided on i) bottom face near counterfort ii) top face near counterfort iii) bottom face near centre of span iv) top face near centre of span The correct answer is
  8. The main reinforcement in the toe of a T-shaped R.C. retaining wall is provided on i) top face parallel to the wall ii) top face perpendicular to the wall iii) bottom face parallel to the wall iv) bottom face perpendicular to the wall The correct answer is
  9. Select the correct statement
  10. Select the incorrect statement
  11. Select the incorrect statement
  12. To minimize the effect of differential settlement, the area of a footing should be designed for
  13. The load carrying capacity of a helically reinforced column as compared to that of a tied column is about
  14. If the permissible stress in steel in tension is 140 N/mm2, then the depth of neutral axis for a singly reinforced rectangular balanced section will be
  15. Maximum quantity of water needed per 50 kg of cement for M 15 grade of concrete is
  16. A higher modular ratio shows
  17. Normally prestressing wires are arranged in the
  18. Modulus of rupture of concrete is a measure of
  19. In order to obtain the best workability of concrete, the preferred shape of aggregate is
  20. In a counterfort retaining wall, the main reinforcement is provided on the i) bottom face in front counterfort ii) inclined face in front counterfort iii) bottom face in back counterfort iv) inclined face in back counterEort The correct answer is
  21. The effect of adding calcium chloride in concrete is i) to increase shrinkage ii) to decrease shrinkage iii) to increase setting time iv) to decrease setting time The correct answer is
  22. According to ISI recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is
  23. Which of the following R.C. retaining walls is suitable for heights beyond 6 m?
  24. In T-shaped R.C. retaining walls, the main reinforcement in the stem is provided on
  25. Which of the following has high tensile strength?