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

/50

1 / 50

1. As per IS 456 in which annexure is it expalined what is one way slab

1. Annexure d – 1.10

2. Annexure d – 1.11

3. Annexure d – 1.12

4. Annexure d – 1.13

2 / 50

2. As per IS 456 how do we provide torsion reinforcement in slab

1. Annexure c – 1.8

2. Annexure d – 1.8

3. Annexure e – 1.9

4. Annexure f – 1.9

3 / 50

3. In Which Clause of IS 456 is it expalined how do we arrive at the shear strength to be carried by stirrups

1. vus = vu-vc

2. vus = uc-vv

3. vus = cu-vv

4. vus – uc-cu

4 / 50

4. 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

5 / 50

5. In Which Clause of IS 456 is it defined characteristic load

1. 36.2

2. 37.2

3. 38.2

4. 39.2

6 / 50

6. 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

7 / 50

7. 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

8 / 50

8. In Which Clause of IS 456 is it expalined that beyond what thickness should we provide steel in two layers for shear walls

1. 32.4.1

2. 32.4.2

3. 32.5.1

4. 32.5.4

9 / 50

9. 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

10 / 50

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

1. 29.3.2

2. 29.4.2

3. 29.5.2

4. 29.6.2

11 / 50

11. 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

12 / 50

12. 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

13 / 50

13. Which clause of IS 456 do we use to understand the min shear reinforcment in beam

1. 26.5.1.6

2. 27.5.1.6

3. 28.5.1.6

4. 29.5.1.6

14 / 50

14. As per IS 456 Which Clause do we use to find the max area of tension reinforcemnt in beams

1. 26.5.1.1.A

2. 26.5.1.1.B

3. 26.5.1.1.C

4. Both a and c

15 / 50

15. Which clause of IS 456 do we reffer to understand the min area of tension reinforcment in beam

1. 26.5.1.1.A

2. 26.5.1.1.B

3. 26.5.1.1.C

4. Both a and c

16 / 50

16. 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

17 / 50

17. 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

18 / 50

18. As per IS 456 which clause do we use to understand the min spacing between the individual bars

1. 26.3.2.A

2. 26.3.2.B

3. 26.3.2.C

4. All of the above

19 / 50

19. Which clauses from IS 456 do we use to define the slenderness limits for columns for restrained and unrestrained?

1. 25.3.1

2. 25.3.2

3. Both a and b

4. None of the above

20 / 50

20. In IS 456 which clause do we use to understand what is a short column and long column?

1. 24.1.2

2. 25.1.2

3. 26.1.2

4. 27.1.2

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 understand the redistribution of moments

1. 22.7

2. 37.1.1

3. Both a and b

4. None of these

23 / 50

23. Which clause from IS 456 is the arrangement of the live load is discussed?

1. 22.4.1.A

2. 23.4.1.A

3. 24.4.1.A

4. 25.4.1.A

24 / 50

24. In which clause the effective span of a cantiliver beam or slab is discussed in IS456?

1. 22.2.A

2. 22.2.B

3. 22.2.C

4. 22.2.D

25 / 50

25. 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

26 / 50

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

1. 7 days

2. 28 days

3. 18 days

4. 12 days

27 / 50

27. Clause for tolerances for placing of reinforcments in IS456?

1. 12.3.1

2. 12.3.2

3. 12.3.3

4. 12.3.4

28 / 50

28. Clause in IS456 that mentions the minimum time of mixing of concrete?

1. 10.3.1

2. 9.3

3. 10.1

4. 10.2.3

29 / 50

29. What is the minimum time of mixing of concrete?

1. 2min

2. 3min

3. 4min

4. 1min

30 / 50

30. What is the minimum grade of concrete to be used in PCC for structures along the sea coast as per IS 456?

1. M30

2. M15

3. M20

4. M25

31 / 50

31. What clause number from IS456 makes us understand the need for compaction, finishing and curing?

1. 8.2.5

2. 8.2.6

3. 8.2.7

4. 8.2.8

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 relation between tensile strength and compressive strength of concrete in IS 456

1. Tensile Strength Fcr = 0.75 SQRT FCK

2. Tensile Strength Fcr = 0.77 SQRT FCK

3. Tensile Strength Fcr = 0.9 SQRT FCK

4. Tensile Strength Fcr = 0.7 SQRT FCK

34 / 50

34. What is the table in IS 456 concerned to usage of Grades of concrete for plain and reinforced Concrete?

1. Table 5 (IS 456)

2. Table 2 (IS 456)

3. Table 4 (IS 456)

4. Table 1 (IS 456)

35 / 50

35. 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

36 / 50

36. 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

37 / 50

37. How many Annexures and sections are there in IS 456?

1. A to C

2. A to H

3. A to G

4. Only A

38 / 50

38. 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

39 / 50

39. 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

40 / 50

40. 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

41 / 50

41. The assumption in the theory of bending of beam is?

1. Material is homogeneous

2. Material is isotropic

3. Young’s modulus in tension and in compression is same.

4. All the above

42 / 50

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

1. 5

2. 6

3. 7

4. 8

43 / 50

43. Critical section for punching shear in case of flat slabs is at a distance of?

1. Effective depth for slab from periphery of column/drop panel

2. d/2 from periphery of column/capital/drop panel

3. At the drop panel of slab

4. At the periphery of column

44 / 50

44. 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

45 / 50

45. 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

46 / 50

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

1. 2

2. 4

3. 6

4. 8

47 / 50

47. According to IS:456-1978, minimum slenderness ratio for a short column is?

1. Less than 12

2. Less than 18

3. Between 18 and 24

4. More than 24

48 / 50

48. Maximum quantity of water needed per 50kg of cement for M15 grade of concrete (PCC) as per Table-5 of IS-456 is?

1. 28 liters

2. 30 liters

3. 32 liters

4. 34 liters

49 / 50

49. Minimum grade of concrete to be used in reinforced concrete as per IS:456-2002 is?

1. M15

2. M20

3. M10

4. M25

50 / 50

50. If nominal shear stress Tv exceeds the design shear strength of concrete Tc, the nominal shear reinforcement as per IS:456-1978 shall be provided for carrying a shear stress equal to?

1. Tv

2. Tc

3. Tv-Tc

4. Tv+Tc

Your score is

© 2023 Civil Jobs Training, All rights reserved