Civil Engineering

Concrete Technology And Design Of Concrete Structures MCQs

Practice Concrete Technology And Design Of Concrete Structures MCQs for competitive exams.

Concrete Technology And Design Of Concrete Structures MCQs

Practice questions from this topic.

The critical section for finding maximum bending moment for footing under masonry wall is located

  1. A. At the middle of the wall
  2. B. At the edge of the wall
  3. C. Halfway between the middle and edge of the wall
  4. D. At a distance equal to effective depth of footing from the edge of the wall
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Workability of concrete is directly proportional to

  1. A. Aggregate cement ratio
  2. B. Time of transit
  3. C. Grading of the aggregate
  4. D. All of above
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The approximate value of the ratio between direct tensile strength and flexural strength is

  1. A. 0.33
  2. B. 0.5
  3. C. 0.75
  4. D. 1.0
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The design yield stress of steel according to IS: 456-1978 is (where fy is the characteristic yield strength of steel)

  1. A. 0.37 fy
  2. B. 0.57 fy
  3. C. 0.67 fy
  4. D. 0.87 fy
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The factor of safety for

  1. A. Steel and concrete are same
  2. B. Steel is lower than that for concrete
  3. C. Steel is higher than that for concrete
  4. D. None of the above
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According to IS : 456-1978, the fiexural strength of concrete is

  1. A. Directly proportional to compressive strength
  2. B. Inversely proportional to compressive strength
  3. C. Directly proportional to square root of compressive strength
  4. D. Inversely proportional to square root of compressive strength
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Diagonal tension in a beam

  1. A. Is maximum at neutral axis
  2. B. Decreases below the neutral axis and increases above the neutral axis
  3. C. Increases below the neutral axis and decreases above the neutral axis
  4. D. Remains same
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Assertion A: The load factor for live load is greater than that for dead load. Reason R: The live loads are more uncertain than dead loads. Select your answer based on the coding system given below:

  1. A. Both A and R are true and R is the correct explanation of A
  2. B. Both A and R are true but R is not the correct explanation of A
  3. C. A is true but R is false
  4. D. A is false but R is true
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In counterfort retaining walls, the main reinforcement in the stem at support is

  1. A. Not provided
  2. B. Provided only on inner face
  3. C. Provided only on front face
  4. D. Provided both on inner and front faces
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Strength of concrete increases with

  1. A. Increase in water-cement ratio
  2. B. Increase in fineness of cement
  3. C. Decrease in curing time
  4. D. Decrease in size of aggregate
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Examine the following statements : i) Factor of safety for steel should be based on its yield stress, ii) Factor of safety for steel should be based on its ultimate stress, iii) Factor of safety for concrete should be based on its yield stress, iv) Factor of safety for concrete should be based on its ultimate stress. The correct statements are

  1. A. (i) and (iii)
  2. B. (i) and (iv)
  3. C. (ii) and (iii)
  4. D. (ii) and (iv)
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The centroid of compressive force, from the extreme compression fiber, in limit state design lies at a distance of (where xu is the depth of neutral axis at the limit state of collapse)

  1. A. 0.367 xu
  2. B. 0.416 xu
  3. C. 0.446 xu
  4. D. 0.573 xu
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