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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Certificate: No
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1 / 30

1. 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

2 / 30

2. In a rectangular R.C.C beam, the ratio of the maximum shear stress to average shear stress is

a) 1.25

b) 1.33

c) 1.43

d) 1.53

3 / 30

3. Side face reinforcement is provided in a beam when the depth of the web in a beam exceeds

a) 250 mm

b) 500 mm

c) 750 mm

d) 1000 mm

4 / 30

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

a) 360 mm²

b) 460 mm²

c) 560 mm²

d) 600 mm²

5 / 30

5. Weight of steel per cubic meter (m³)

a) 1000 kg

b) 2000 kg

c) 7850 kg

d) 8850 kg

6 / 30

6. The long column takes a lesser load as compared to a short column due to

a) buckling

b) concrete

c) steel

d) length

7 / 30

7. In a two-way slab, the lifting of corners occurs due to

a) zero moment at the center

b) torsional moments on the slab

c) unbalanced moments on the slab

d) none of the above

8 / 30

8. Fineness modulus of fine aggregate is between

a) 2-3.5

b) 3.5-5.0

c) 5-6.0

d) 6-7.0

9 / 30

9. In a beam, the spacing of shear reinforcement is kept... at the center as compared to the end

a) minimum

b) maximum

c) constant

d) none of the above

10 / 30

10. The ratio of modulus of elasticity of steel to that of concrete is

a) modular ratio

b) Poisson's ratio

c) elasticity ratio

d) none of the above

11 / 30

11. High increase in temperature......the strength of concrete.

a) increases

b) has no effect

c) decreases

d) none of the above

12 / 30

12. The moment of resistance of an under-reinforced section is computed on the basis of

a) compressive force developed in concrete

b) tensile force developed in steel

c) both of the above

d) none of the above

13 / 30

13. 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

14 / 30

14. Separation of ingredients from concrete during transportation is known as

a) bleeding

b) creep

c) segregation

d) shrinkage

15 / 30

15. Which of the following statements is correct? As the area of steel increases

a) the depth of the neutral axis decreases

b) the depth of the neutral axis increases

c) the lever arm increases

d) none of the above

16 / 30

16. The reinforcement is bent at an inclination of angle at the ends of the beam

a) 45°

b) 60°

c) 135°

d) 90°

17 / 30

17. In case of RCC building, the expansion joint is normally provided if the length of the building exceeds

a) 20 m

b) 30 m

c) 45 m

d) 50 m

18 / 30

18. In a singly reinforced beam (concrete), as the load increases

a) only concrete will resist tension

b) only steel bars will resist tension

c) both concrete and steel will resist tension

d) both concrete and steel will resist compression

19 / 30

19. Due to shrinkage stress, a simply supported beam having reinforcement only at the bottom tends to

a) deflect downward

b) deflect upward

c) deflect upward or downward

d) none of the above

20 / 30

20. If a beam is loaded transversely the maximum compressive stress develops on

a) top fibre

b) neutral axis

c) bottom fibre

d) every cross-section

21 / 30

21. The anchorage value of a standard bend is

a) 4θ

b) 8θ

c) 12θ

d) 16θ

22 / 30

22. In the analysis of a doubly reinforced beam, the assumption made is

a) tension is resisted by concrete only

b) compression is resisted by concrete only

c) the deformations in concrete and steel on both sides remain proportional to their distance from the neutral axis

d) all of the above

23 / 30

23. 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

24 / 30

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

a) compression face

b) tension face

c) neutral axis

d) diagonals

25 / 30

25. 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

26 / 30

26. The entrapped air in concrete

a) increases workability

b) decreases workability

c) increases strength

d) none of the above

27 / 30

27. For a cantilever of effective depth of 50cm, the maximum span to satisfy vertical deflection limit is

a) 3.0m

b) 3.5m

c) 4.0m

d) 4.5m

28 / 30

28. The beam section is redesigned if the shear stress exceeds the allowable shear stress by ... times

a) 2

b) 4

c) 6

d) 8

29 / 30

29. Distribution reinforcement in a simply supported slab is provided to distribute

a) load

b) temperature stress

c) shrinkage stress

d) all of the above

30 / 30

30. Which of the following factors influence the strength of concrete?

a) compaction

b) curing

c) water-cement ratio

d) all of the above

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Structural Design Online Test – Paper 2

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