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

/50

1 / 50

1. As Per IS 456 what is the % of mid span tension reinforcement that we have to extend to the supports

1. Annexure a – 2.1.1

2. Annexure b – 2.1.1

3. Annexure c – 2.1.1

4. Annexure d – 2.1.1

2 / 50

2. As per IS 456 how do we take care of negative moments at a discontinues edge of a slab panel

1. Annexure d – 1.6

2. Annexure d – 1.7

3. Annexure d – 1.8

4. Annexure d – 1.9

3 / 50

3. In Which Clause of IS 456 is it expalined how do we provide shear reinforcement if tow-v exceeds tow-c

1. 38.4

2. 40.4

3. 42.4

4. 44.2

4 / 50

4. In Which table of IS 456 is it expalined where do we find the value of design shear strength of concrete in beams without shear reinforcement

1. Table 15

2. Table 17

3. Table 19

4. Table 21

5 / 50

5. In Which Clause of IS 456 is it expalined what is the formula for nominal shear stress in beams of uniform depth

1. 39.1

2. 40.1

3. 41.1

4. 42.1

6 / 50

6. In Which Clause of IS 456 is it expalined for assign the strength of structure what partial safety factors should we take for concrete and steel

1. 36.4.2.1

2. 36.5.2.1

3. 36.6.2.1

4. 36.7.2.1

7 / 50

7. In Which Clause of IS 456 is it expalined what is characteristic strength of concrete

1. 36.1

2. 36.4

3. 37.1

4. 37.4

8 / 50

8. In Which Clause of IS 456 is it expalined what is limit state design

1. 33.1

2. 35.1

3. 37.1

4. 39.1

9 / 50

9. In Which Clause of IS 456 is it expalined what are the min requirements for reinforcement of shear walls

1. 31.5

2. 31.7

3. 32.3

4. 32.5

10 / 50

10. In Which Clause of IS 456 is it expalined how do we design concrete walls

1. Section 3 or Annexure b

2. Section 4 or Annexure b

3. Section 5 or Annexure b

4. Section 6 or Annexure b

11 / 50

11. In Which Clause of IS 456 is it expalined what are the method of analyses and design of flat slab

1. 30.4 & 30.5

2. 31.4 & 31.5

3. 32.4 & 32.5

4. 33.4 & 33.5

12 / 50

12. In Which Clause of IS 456 is it expalined what is difference between drop and column head in flat slab

1. 30.2.2 & 3

2. 30.3.2 & 3

3. 31.2.2 & 3

4. 31.3.2 & 3

13 / 50

13. In Which Clause of IS 456 is it expalined what is middle strip in flat slab

1. 30.1.1

2. 31.1.1

3. 32.1.1

4. 33.1.1

14 / 50

14. As per IS 456 in which clause it is explained how to provide positive reinforcement in deep beam

1. 29.3.1

2. 29.3.2

3. 29.3.3

4. 29.3.4

15 / 50

15. In which clause of IS 456 is it explained what is a deep beam

1. 28.1

2. 29.1

3. 30.1

4. 31.1

16 / 50

16. What should be the pitch of lateral ties in columns in IS 456

1. 26.5.3.3.C1

2. 26.5.3.3.C2

3. 26.5.3.3.C3

4. 26.5.3.3.C4

17 / 50

17. 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

18 / 50

18. What is the max spacing of longitudinal bars along the perifery of the column as per IS 456

1. 150 mm

2. 200 mm

3. 250 mm

4. 300 mm

19 / 50

19. What is the min longitudinal reinforcment for columns as per IS 456

1. 26.5.3.1

2. 26.5.3.2

3. 26.5.3.3

4. 26.5.3.4

20 / 50

20. Which clause of IS 456 do we reffer to understand the nominal cover to reinforcment

1. 26.4.1

2. 26.4.2.1

3. 26.4.2.2

4. All of the above

21 / 50

21. 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

22 / 50

22. What are the limiting values of the span/depth ratio to be satisfed for vertical deflection of beams/slabs for a span of 10m as per IS 456 which clause do we use?

1. 23.2.1.A

2. 24.2.1.A

3. 25.2.1.A

4. 26.2.1.A

23 / 50

23. As per IS 456 which clause do we use to limiting value of defliection for horizontal members

1. 21.2

2. 22.2

3. 23.2

4. 24.2

24 / 50

24. Which clauses from IS 456 do we use to find teh effective width of flange of T beams and L beams

1. 22.1.2

2. 23.1.2

3. 24.1.2

4. 25.1.2

25 / 50

25. 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

26 / 50

26. In which clause (Figure number) the minimum dimensions of RCC members are discussed in IS456?

1. Fig 1

2. Fig 2

3. Fig 3

4. Fig 4

27 / 50

27. Which clause in IS456 explains about precautions to be taken for lateral sway for structures?

1. 20.1

2. 20.3

3. 20.5

4. 20.7

28 / 50

28. In which clause “Design Load” is defined in IS456

1. 19.7

2. 19.8

3. 19.9

4. 19.1

29 / 50

29. What is the code concerned to live loads consideration on structures?

1. IS875-1

2. IS875-2

3. IS875-3

4. IS875-5

30 / 50

30. When should one carry the load test on structures

1. After 28 Days from placing of concrete

2. After 7 Days from placing of concrete

3. After 14 Days from placing of concrete

4. After 21 Days from placing of concrete

31 / 50

31. What should be the curing period to achieve 50% strength?

1. 7 days

2. 28 days

3. 18 days

4. 12 days

32 / 50

32. What is the code for mixing of concrete as per IS 456?

1. IS Code 10262

2. IS Code 875-Part5.

3. IS Code 1791

4. IS Code 2062

33 / 50

33. 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

34 / 50

34. What is the clause concerned to curing of concrete as per IS 456?

1. 13.2

2. 13.3

3. 13.4

4. 13.5

35 / 50

35. What is the clause concerned to discussion on the nominal cover to reinforcment in IS456?

1. 25.4

2. 26.4

3. 27.4

4. 28.4

36 / 50

36. 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

37 / 50

37. What are the codes concernd to Mild & Medium steel bars and HYSD steel bars?

1. IS456 and IS1873

2. IS423Part1 and IS1876

3. IS432Part1 and IS1786

4. IS243 Part1 and IS1678

38 / 50

38. What should be the PH value of water used for mixing concrete as per IS 456?

1. Should not be less than 6

2. Should not be less than 4

3. Should not be less than 3.5

4. Should not be more than 7

39 / 50

39. The maximum area of tension reinforcement in beams shall not exceed

1. 1.50%

2. 0,15%

3. 4%

4. 0.40%

40 / 50

40. 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

41 / 50

41. A column is regarded as long column if the ratio of its effective length and lateral dimension, exceeds

1. 10

2. 12

3. 20

4. 25

42 / 50

42. 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

43 / 50

43. Side face reinforcement shall be provided in the beam when depth of the web in a beam exceeds

1. 50 cm

2. 75 cm

3. 100 cm

4. 120 cm

44 / 50

44. The minimum diameter for longitudinal bars in a column is

1. 6 mm

2. 8 mm

3. 12 mm

4. 16 mm

45 / 50

45. IS 1893-2002 gives details on?

1. Seismic strengthning

2. Retaining walls

3. Wind load design

4. Criteria for Earthquake Resistant Design of Structures

46 / 50

46. Maximum distance between expansion joints in structures as per IS:456-1978 is?

1. 20 m

2. 30 m

3. 45 m

4. 60 m

47 / 50

47. The percentage of reinforcement in slabs, when HYSD bars are used should not be less than?

1. 0.15

2. 0.12

3. 0.3

4. 1

48 / 50

48. 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

49 / 50

49. The ratio of the diameter of reinforcing bars and the slab thickness is?

1. 1/4

2. 1/5

3. 1/6

4. 1/8

50 / 50

50. The factor of safety in design for?

1. Steel and concrete are same

2. Steel is lower than that for concrete

3. Steel is higher than that for concrete

4. None of the above

Your score is

© 2023 Civil Jobs Training, All rights reserved