Structural Design Online Test - Paper 3

Created by

Vikash chaudhary

This is a FREE online test. Beware of scammers who ask for money to attend this test.

Get fresh, new questions in each attempt.

Total Questions: 50
Time Allotted: 50 minutes
Passing Score: 70%
Randomization: Yes
Certificate: Yes
Do not refresh the page!
👍 All the best!

1 / 50

1. Minimum spacing between horizontal parallel reinforcements of different sizes should not be less than

a) one times the thinner bar

b) two times the thinner bar

c) one times the thicker bar

d) two times the thicker bar

2 / 50

2. 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

3 / 50

3. Main reinforcement in an RCC beam is used for

a) bending moment

b) shear force

c) moment of resistance

d) none of the above

4 / 50

4. The maximum ratio of span to depth ratio of a slab simply supported and spanning in two directions is

a) 25

b) 30

c) 35

d) 40

5 / 50

5. 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

6 / 50

6. Singly reinforced beam & doubly reinforced beam are decided based on

a) bending moment

b) shear force

c) bending moment & shear force

d) none of the above

7 / 50

7. Strength of concrete show an increase with

a) decrease in rate of loading

b) increase in rate of loading

c) unaffected by rate of loading

d) depends on the application of load

8 / 50

8. 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

9 / 50

9. White cement is produced in

a) flyash kiln

b) coal kiln

c) oil-fired kiln

d) electrical form kiln

10 / 50

10. The property of fresh concrete, in which while placing and compaction is known as

a) bleeding

b) creep

c) segregation

d) shrinkage

11 / 50

11. A beam curved in plan is designed for

a) bending moment and shear

b) bending moment and torsion

c) shear and torsion

d) bending moment, shear, and torsion

12 / 50

12. 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

13 / 50

13. The load-carrying capacity of helically reinforced column compared to a tied column is

a) 5% less

b) 5% more

c) 10% less

d) 10% more

14 / 50

14. 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

15 / 50

15. For a two-way slab, the main reinforcement is provided along the

a) length of the slab

b) breadth of the slab

c) diagonal of the slab

d) none of the above

16 / 50

16. In a singly reinforced beam, if the concrete is stressed to its allowable limit earlier than steel, the section is said to be

a) over-reinforced section

b) under-reinforced section

c) balanced section

d) economical section

17 / 50

17. The advantage of reinforced concrete is due to

a) monolithic character

b) economy because less maintenance cost

c) molding in any desired shape

d) all of the above

18 / 50

18. Strength of tor steel as compared to mild steel is

a) more

b) less

c) equal

d) no relation

19 / 50

19. By over-reinforcing a beam, the moment of resistance can be increased not more than

a) 10%

b) 15%

c) 20%

d) 25%

20 / 50

20. The unit weight of RCC is taken as

a) 2.2 t/m³

b) 2.3 t/m³

c) 2.4 t/m³

d) 2.5 t/m³

21 / 50

21. 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

22 / 50

22. The minimum cover at the end of reinforcement should be

a) 20 Φ

b) 25 mm

c) mini. of (a) and (b) above

d) max. of (a) and (b) above

23 / 50

23. The amount of reinforcement for main bars in a slab is based on

a) minimum shear force

b) maximum shear force

c) minimum bending moment

d) maximum bending moment

24 / 50

24. In an RCC beam, if the amount of steel increases, the depth of N.A.

a) remains constant

b) decreases

c) increases

d) none of the above

25 / 50

25. The lap length of a direct tension reinforcement bar in an RCC beam should be more than

a) 30 times the diameter of the bar

b) 48 times the diameter of the bar

c) 24 times the diameter of the bar

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

26 / 50

26. The center-to-center spacing of vertical stirrups in a rectangular beam is

a) minimum near the support

b) maximum near the support

c) minimum near the center

d) none of the above

27 / 50

27. The minimum thickness of the cover at the end of a reinforcing bar should be twice the diameter of the bar, subjected to a minimum of

a) 10mm

b) 12mm

c) 15mm

d) 25mm

28 / 50

28. Concrete gains strength due to

a) chemical action of cement with coarse aggregate

b) hydration of cement

c) evaporation of water

d) all of the above

29 / 50

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

a) 2

b) 2.5

c) 3

d) 3.5

30 / 50

30. 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

31 / 50

31. In a slab, the pitch of the distribution reinforcement should not exceed its effective depth

a) three times

b) four times

c) five times

d) six times

32 / 50

32. The minimum number of main bars in an octagonal column is

a) 4

b) 6

c) 8

d) 12

33 / 50

33. The minimum overall depth kept at the edge of R.C. footings is

a) 50 cm

b) 25 cm

c) 15 cm

d) 10 cm

34 / 50

34. In a slab, the pitch of the main reinforcement should not exceed its effective depth

a) three times

b) four times

c) five times

d) six times

35 / 50

35. 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

36 / 50

36. The maximum bulking factor for sand is

a) 1.00

b) 1.10

c) 1.20

d) 1.40

37 / 50

37. The minimum cover in a slab is neither less than the diameter of the bar nor less than

a) 15 mm

b) 20 mm

c) 25 mm

d) 30 mm

38 / 50

38. The types of failure in which stress in concrete and steel reaches its permissible value at a time is called balance failure. At this stage, the location of the neutral axis is

a) above the critical neutral axis

b) matches with the critical neutral axis

c) below the critical neutral axis

d) all of the above

39 / 50

39. A T-beam behaves like a rectangular beam of width equal to its flange if its neutral axis

a) remains within the flange

b) remains within the web

c) coincides with the geometrical center of the beam

d) none of the above

40 / 50

40. The shear reinforcement in an RCC beam is provided to resist

a) diagonal tension

b) diagonal compression

c) vertical shear

d) horizontal shear

41 / 50

41. Strength of concrete increases with

a) increase in water cement ratio

b) decrease in water cement ratio

c) decrease in size of aggregate

d) decrease in curing time

42 / 50

42. The compressive strength of concrete determined from a 150mm × 150mm cylinder as compared to that determined from a 150mm cube is

a) more

b) less

c) equal

d) none of the above

43 / 50

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

a) compaction

b) curing

c) water-cement ratio

d) all of the above

44 / 50

44. The ratio of effective length of a column which is fixed at both ends to the distance between the supports is about

a) 2.0

b) 1.0

c) 0.7

d) 0.50

45 / 50

45. Bottom reinforcement in a beam is subjected to

a) compression

b) tension

c) both

d) none of the above

46 / 50

46. An RCC element, 1 m deep and 0.5 m wide will require minimum reinforcement @ 1% of the gross sectional area, what will be the area of reinforcing bars?

a) 500 mm²

b) 1000 mm²

c) 5000 mm²

d) 50,000 mm²

47 / 50

47. The workability of concrete can be improved by

a) increase the size of aggregate

b) decrease the size of aggregate

c) increase the coarse of aggregate

d) increase the flaky aggregate

48 / 50

48. 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

49 / 50

49. A diagonal crack is introduced in a beam due to

a) bending moment (BM)

b) shear force (SF)

c) bending moment & shear force (BM & SF)

d) none of the above

50 / 50

50. What is the minimum period for which the lime concrete in the foundation be left wet without the construction of masonry over it?

a) 15 days

b) 12 days

c) 9 days

d) 7 days

Please provide accurate information so we can send your Achievement Certificate by mail.

NameEmailPhone Number

Your score is

Please provide your feedback.

Thank you for your valuable feedback.

Buy Structural Design MCQ PDF for Offline Study

Structural Design Online Test – Paper 3

Please provide accurate information so we can send your Achievement Certificate by mail.

Related MCQs