Design of Concrete Structures Mcqs
This set of Civil Engineering Multiple Choice Questions & Answers (MCQs) focuses on “ Design of Concrete Structures ”. These Mcqs are chosen from a collection of most authoritative and best reference books on Civil Engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Design of Concrete Structures comprehensively.
32. Diagonal tension in a beam______________?
Is maximum at neutral axis
Decreases below the neutral axis and increases above the neutral axis
Increases below the neutral axis and decreases above the neutral axis
Remains same
Answer & Solution
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33. According to IS : 456-1978, the cblumn or the strut is the member whose effective length is greater than________________?
The least lateral dimension
2 times the least lateral dimension
3 times the least lateral dimension
4 times the least lateral dimension
Answer & Solution
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34. For a simply supported beam of span 15m, the minimum effective depth to satisfy the vertical deflection limits should be________________?
600 mm
750 mm
900 mm
More than 1 m
35. According to IS : 456- 1978, minimum slenderness ratio for a short column is_______________?
Less than 12
Less than 18
Between 18 and 24
More than 24
Answer & Solution
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36. The minimum cover in a slab should neither be less than the diameter of bar nor less than_______________?
10 mm
15 mm
25 mm
13 mm
37. The ratio of the diameter of reinforcing bars and the slab thickness is_______________?
1/4
1/5
1/6
1/8
38. The percentage of reinforcement in case of slabs, when high strength deformed bars are used is not less than________________?
0.15
0.12
0.30
1.00
39. For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of bar nor less than_______________?
15 mm
25 mm
30 mm
40 mm
40. Lap length in compression shall not be less than______________?
15 4>
20
24 (j)
30 (j)
41. According to IS : 456-1978, the fiexural strength of concrete is________________?
Directly proportional to compressive strength
Inversely proportional to compressive strength
Directly proportional to square root of compressive strength
Inversely proportional to square root of compressive strength
Answer & Solution
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42. According to IS: 456-1978, the maximum reinforcement in a column is_____________?
2 %
4%
6 %
8 %
43. Which of the following statements is incorrect ?
Minimum cross sectional area of longitudinal reinforcement in a column is 0.8%
Spacing of longitudinal bars measured along the periphery of column should not exceed 300 mm
Reinforcing bars in a column should not be less than 12 mm in diameter
The number of longitudinal bars provided in a circular column should not be less than four
Answer & Solution
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44. Minimum pitch of transverse reinforcement in a column is________________?
The least lateral dimension of the member
Sixteen times the smallest diameter of longitudinal reinforcement bar to be tied
Forty-eight times the diameter of transverse reinforcement
Lesser of the above three values
Answer & Solution
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45. A continuous beam is deemed to be a deep beam when the ratio of effective span to overall depth (1/D. is less than__________________?
1.5
2.0
2.5
3.0