FAQ’s from IS Codes (IS456, IS875, IS1893, IS800…)

/50

1 / 50

1. As per IS 456 in Annexure it is explained how to obtain compressive reinforcement in doubly reinforced beam

1. Annexure 1

2. Annexure 1.1

3. Annexure 1.2

4. Annexure 1.3

2 / 50

2. AS per IS 456 when is it not required to provide torsion reinforcement in slab

1. Annexure d – 1.9

2. Annexure d – 1.10

3. Annexure d – 1.11

4. Annexure d – 1.12

3 / 50

3. In Which Clause of IS 456 is it expalined how do we calculate spacing of shear reinforcement for vertical stirrups

1. 40.2

2. 40.4

3. 40.6

4. 40.8

4 / 50

4. In Which Clause of IS 456 is it expalined what is equation for design of short column in compression with biaxial bending

1. 39.5

2. 39.6

3. 40.5

4. 40.6

5 / 50

5. In Which Clause of IS 456 is it expalined what is equation for design of short column in compression

1. 39.3

2. 39.4

3. 39.5

4. 39.6

6 / 50

6. In Which Clause of IS 456 is it expalined what are the assumptions for design using limit state of collapse for compression

1. 37.1

2. 38.1

3. 39.1

4. 40.1

7 / 50

7. In Which Clause of IS 456 is it expalined what is the min reinforcement and spacing for design of footing

1. 34.5.1

2. 34.5.3

3. 35.5.1

4. 35.5.3

8 / 50

8. In Which Clause of IS 456 is it expalined what is the permissible bearing stress we concede while design of footings

1. 0.45 fck 32.4 clause

2. 0.45 fck 33.4 clause

3. 0.45 fck 34.4 clause

4. 0.45 fck 35.4 clause

9 / 50

9. In Which Clause of IS 456 is it expalined where do we calculate the highest bending moment for isolated footings

1. 34.2.2.2

2. 34.2.3.2

3. 34.2.4.2

4. 34.2.5.2

10 / 50

10. As per IS 456 in which clause the length of the structure beyond which we provide expansion joint is explained

1. 25.2

2. 26.2

3. 27.2

4. 28.2

11 / 50

11. In which clause of IS 456 expansion joints are explained

1. 25.1

2. 26.1

3. 27.1

4. 28.1

12 / 50

12. What is the min longitudinal reinforcment in caes of pedistals in IS 456

1. 0.10% of pedistal CS Area

2. 0.15% of pedistal CS Area

3. 0.20% of pedistal CS Area

4. 0.12% of pedistal CS Area

13 / 50

13. Which clause do we use to understand the min reinforcment in slab to be provided as per IS 456

1. 23.5.2.1

2. 24.5.2.1

3. 25.5.2.1

4. 26.5.2.1

14 / 50

14. Which clause of IS 456 do we use to understand the max distance between the bars in tension

1. 24.3.3

2. 25.3.3

3. 26.3.3

4. 27.3.3

15 / 50

15. What is the code for detailing earthquake resitant construction

1. IS 13902

2. IS 19302

3. IS 13920

4. IS 19320

16 / 50

16. Which clauses from IS 456 do we use to understand the min excentricity for design of columns

1. 22.4

2. 23.4

3. 24.4

4. 25.4

17 / 50

17. In IS 456 in which Figure can we see the slab loads gets distributed on to beams?

1. Fig 7

2. Fig 24.5

3. Both a and b

4. None of the above

18 / 50

18. Which Clause do we use to call a member as a column as per IS 456?

1. 24.1.1

2. 24.2.1

3. 25.1.1

4. 25.2.1

19 / 50

19. Which clause do we use to understand the slenderness limits for beams to ensure lateral stability?

1. 22.3

2. 23.3

3. 24.3

4. 25.3

20 / 50

20. Which clauses from IS 456 do we use to assume the salb as a compression flange of a T beam or L beam

1. 21.1.1

2. 22.1.1

3. 23.1.1

4. 24.1.1

21 / 50

21. Which clauses from IS 456 do we use to calcualte the effective depth of a beam

1. 20

2. 21

3. 22

4. 23

22 / 50

22. Which clauses from IS 456 do we use to see the critical section for shear

1. 22.3.2

2. 22.4.2

3. 22.5.2

4. 22.6.2

23 / 50

23. In which clause the effective span of a simply supported beam or slab is discussed in IS456?

1. 22.1.A

2. 22.2.A

3. 22.3.A

4. 22.4.A

24 / 50

24. Fire resistance of concrete elements depends upon?

1. Type of Aggredate used

2. Member Size

3. Cover to Reinforcement

4. All the three

25 / 50

25. What are the clauses for inspection and testing of structures

1. 17

2. 18

3. 16

4. All of the above

26 / 50

26. What should be the curing period to achieve 90% strength?

1. 7 days

2. 28 days

3. 18 days

4. 12 days

27 / 50

27. Clause for tolerances for cover in IS456?

1. 12.3.1

2. 12.3.2

3. 12.3.3

4. 12.3.4

28 / 50

28. Clause for Cleaning and treatemnt of concrete formwork in IS 456?

1. 11.1

2. 11.2

3. 11.3

4. 11.4

29 / 50

29. What is the minimum grade of concrete to be used in RCC for structures along the sea cost as per IS 456

1. M20

2. M25

3. M30

4. M35

30 / 50

30. The 6 factors that influences the Durability of concrete are mentioned in which clause of IS 456?

1. 8.1.1

2. 8.2.1

3. 8.3.1

4. 8.4.1

31 / 50

31. What is the cluase that talks on the Durabilty of Concrete in IS 456?

1. 6

2. 7

3. 8

4. 9

32 / 50

32. What clause explains the modules of Elasticity in IS456?

1. 6.2.1

2. 6.2.2

3. 6.2.3.1

4. 6.2.4

33 / 50

33. What is the size of the aggregate mostly used for concreting?

1. 25 mm

2. 15 mm

3. 40 mm

4. 20 mm

34 / 50

34. How many sections are there in IS 456?

1. 4 Sections 45 Clauses

2. 4 Sections 43 Clauses

3. 3 Sections 34 Clauses

4. 5 Section, 43 Clauses

35 / 50

35. The diameter of longitudinal bars of a column should never be less than..

1. 6 mm

2. 8 mm

3. 10 mm

4. 12 mm

36 / 50

36. A continuous beam shall be deemed to be a deep beam if the ratio of effective span to overall depth, is

1. 2.5

2. 2

3. Less than 2

4. Less than 2.5

37 / 50

37. If the diameter of the main reinforcement in a slab is 16 mm, the concrete cover to main bars is

1. 10 mm

2. 12 mm

3. 14 mm

4. 16 mm

38 / 50

38. The diameter of transverse reinforcement of columns should be equal to one-fourth of the diameter of the main steel bars, but not less than

1. 4 mm

2. 5 mm

3. 6 mm

4. 7 mm

39 / 50

39. Spacing of stirrups in a rectangular beam, is

1. Kept constant thoughout the length

2. Decreased towards the centre of the

3. Increased at the ends

4. Increased at the centre of the beam

40 / 50

40. The spacing of transverse reinforcement of column is decided by the following consideration

1. The least lateral dimension of the column

2. Sixteen times the diameter of the smallest longitudinal reinforcing rods in the column

3. Forty-eight times the diameter of transvers reinforcement

4. All the above

41 / 50

41. The diameter of ties in column should be

1. More than or equal to one fourth of diameter of main bar

2. More than or equal to 5mm

3. More than 5 mm but less than one-fourth of diameter of main bar

4. More than one-fourth of diameter of main bar and not less than 5 mm

42 / 50

42. The minimum cover for a column should not be less than

1. 15 mm

2. 25 mm

3. 40 mm

4. 45 mm

43 / 50

43. The Effective length is of a columns of length having both the ends fixed is?

1. 2L

2. L

3. L/2

4. L

44 / 50

44. What is slenderness ratio of a long column?

1. Area of cross-section divided by radius of gyration

2. Area of cross-section divided by least radius of gyration

3. Radius of gyration divided by Area of cross-section

4. Length of column divided by least radius of gyration

45 / 50

45. Which IS code gives details regarding acid-resistant bricks?

1. IS 4832

2. IS 4860

3. IS 5766

4. IS 5318

46 / 50

46. How many parts (books) does IS code 875 contain?

1. 5

2. 6

3. 7

4. 8

47 / 50

47. Which IS code is used to refer details regarding measurement of building and civil engineering works?

1. IS 1200

2. IS 2502

3. IS 1786

4. IS 800

48 / 50

48. Which of the following statements is incorrect?

1. Minimum cross sectional area of longitudinal reinforcement in a column is 0.8%.

2. Spacing of longitudinal bars measured along the periphery of column should not exceed 300 mm.

3. Reinforcing bars in a column should not be less than 12mm in diameter.

4. The number of longitudinal bars provided in a circuler column should not be less than four.

49 / 50

49. According to IS:456-1978, the maximum percentage of reinforcement in a column to avoid congestion is?

1. 2

2. 4

3. 6

4. 8

50 / 50

50. According to IS:456-1978, the cblumn or the strut is the member whose effective length is greater than?

1. The least lateral dimension

2. 2 times the least lateral dimension

3. 3 times the least lateral dimension

4. 4 times the least lateral dimension

Your score is

© 2023 Civil Jobs Training, All rights reserved