Structural Design Online Test – Paper 2

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Vikash chaudhary

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Total Questions: 30
Time Allotted: 30 minutes
Passing Score: 50%
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1 / 30

1. In an RCC beam, N.A means

a) not applicable

b) neutral axis

c) natural axis

d) normal axis

2 / 30

2. As per IS: 456:2000, the minimum diameter of reinforcement in a column shall not be less than

a) 12 mm

b) 16 mm

c) 18 mm

d) 20 mm

3 / 30

3. The minimum cover to the main bars in an RCC beam should be

a) 15mm or diameter of the bar

b) 25mm or diameter of the bar

c) 25mm size of the aggregate

d) 40 mm or diameter of the bar

4 / 30

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

a) the least lateral dimension of the column

b) sixteen times the diameter of the smallest longitudinal reinforcing rod in the column

c) forty-eight times the diameter of transverse reinforcement

d) all of the above

5 / 30

5. The maximum bulking factor for sand is

a) 1.00

b) 1.10

c) 1.20

d) 1.40

6 / 30

6. The workability of concrete is directly proportional to

a) grading of the aggregate

b) time of transit

c) aggregate cement ratio

d) none of the above

7 / 30

7. The limits of the percentage of the longitudinal reinforcement in a column are given by

a) 0.8% to 6%

b) 0.8%

c) 1.0% to 4%

d) 1.0% to 6%

8 / 30

8. The factor of safety for steel is based on its

a) yield stress

b) ultimate stress

c) both (a) and (b) above

d) none of the above

9 / 30

9. The slenderness ratio of an RCC column is given by (Where, r=radius of gyration, l=effective length, B=width, D=diameter)

a) l/r

b) l/B

c) l/D

d) none of the above

10 / 30

10. The approximate ratio of the direct tensile strength to direct compressive strength test

a) 0.33

b) 0.25

c) 0.10

d) 0.05

11 / 30

11. In a column, the minimum cover provided at the end of reinforcement is

a) 10 mm

b) 25 mm or 2 θ of bar, whichever is greater

c) 40 mm or greater than the diameter of the bar

d) at least θ of the bar

12 / 30

12. A reinforced concrete beam will crack if tensile stress set up in the concrete below the neutral axis is

a) less than the permissible stress

b) more than the permissible stress

c) equal to the permissible stress

d) any one of the above

13 / 30

13. The slope of weep hole is generally provided at (spacing- 1.5 to 3.0m)

a) 1 in 4

b) 1 in 8

c) 1 in 16

d) 1 in 32

14 / 30

14. Spacing of stirrups in a rectangular beam is

a) kept constant throughout the length

b) increased towards the center of the beam

c) increased at the ends

d) increased at the center of the beam

15 / 30

15. The minimum straight lap length in tension bars with hooks in an RCC beam is

a) 15 times the diameter of the bar or 200mm

b) 12 times the diameter of the bar or 400mm

c) 20 times the diameter of the bar or 400mm

d) none of the above

16 / 30

16. Placing of concrete should preferably be done at a temperature of

a) 10°C

b) 20°C

c) 27±2°C

d) 32°C

17 / 30

17. Spacing of longitudinal bars measured along the periphery of the column should not be more than (as per IS: 456-2000)

a) 20 cm

b) 25 cm

c) 30 cm

d) 15 cm

18 / 30

18. If the effective length of a 32 cm diameter column is 4.40 mts slenderness ratio is

a) 45

b) 50

c) 55

d) 60

19 / 30

19. In an over-reinforced concrete section, the failure starts at

a) compression face

b) tension face

c) neutral axis

d) diagonals

20 / 30

20. Main reinforcement in an RCC beam is used for

a) bending moment

b) shear force

c) moment of resistance

d) none of the above

21 / 30

21. In a T beam overall depth of rib (in case of heavy load) is

a) 1/20 of the span

b) 1/15 of the span

c) 1/12 of the span

d) none of the above

22 / 30

22. The factor of safety for steel as compared to concrete is

a) same

b) lower

c) higher

d) constant

23 / 30

23. In the case of the foundation of rigid base, the distribution pressure on the soil is

a) uniform

b) maximum bending moment

c) minimum in the central zone

d) none of the above

24 / 30

24. The minimum lap length at the splice of compression reinforcement in RCC

a) 24 times the diameter of the bar or lap length

b) 30 times the diameter of the bar or lap length

c) 48 times the diameter of the bar or lap length

d) 30 times the diameter of the bar or twice the development length

25 / 30

25. The enlarged head of a supporting column of a flat slab is technically known as

a) capital

b) drop panel

c) column head

d) none of the above

26 / 30

26. In R.B. slab, the permissible compressive stress in bricks is generally taken as

a) 10 kg/cm²

b) 20 kg/cm²

c) 30 kg/cm²

d) 40 kg/cm²

27 / 30

27. The effective width of a column strip of a flat slab is

a) one-fourth the width of the panel

b) half the width of the panel

c) radius of the column

d) diameter of the column

28 / 30

28. The minimum length of the bar which must be embedded in concrete beyond any section to develop bond is

a) development length

b) lap length

c) splice length

d) curved length

29 / 30

29. The minimum amount of steel required in RCC column (230x350) is

a) 360 mm²

b) 460 mm²

c) 560 mm²

d) 600 mm²

30 / 30

30. In a two-way slab, the torsion steel is provided at the

a) top

b) bottom

c) both (a) and (b) of the above

d) none of the above

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Structural Design Online Test – Paper 2

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