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%
Randomization: Yes
Certificate: No
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1 / 30

1. The maximum ratio of span to depth ratio of a slab simply supported and spanning in one direction is

a) 25

b) 30

c) 35

d) 40

2 / 30

2. A slender column is a

a) short column

b) long column

c) mix

d) column of varying cross-section

3 / 30

3. 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

4 / 30

4. 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

5 / 30

5. A column fails by buckling is called a long column while failure by crushing is called

a) big column

b) long column

c) small column

d) short column

6 / 30

6. 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%

7 / 30

7. The length of the straight portion of a bar beyond the end of the hook should be at least

a) four times the diameter

b) five times the diameter

c) six times the diameter

d) seven times the diameter

8 / 30

8. Inert material of cement concrete mix is

a) water

b) cement

c) aggregate

d) all of the above

9 / 30

9. The radius of bar bend to form a hook should not be less than

a) twice the diameter

b) thrice the diameter

c) four times the diameter

d) five times the diameter

10 / 30

10. The safe bond stress between concrete and steel is determined by

a) tensile test

b) compressive test

c) shear test

d) pull-out test

11 / 30

11. Steel beam theory is used for

a) design of a simple steel beam

b) steel beam encased in concrete

c) a beam if shear exceeds 4 times allowable shear stress

d) doubly reinforced beams ignoring compressive stress in concrete

12 / 30

12. 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

13 / 30

13. For a longitudinal reinforcing bar in a column, the minimum cover shall neither be less than the diameter of the bar nor less than

a) 15 mm

b) 20 mm

c) 25 mm

d) 40 mm

14 / 30

14. 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

15 / 30

15. For bars in tension, a standard hook has an anchorage value equivalent to a straight length of

a) 8θ

b) 12θ

c) 16θ

d) 20θ

16 / 30

16. 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

17 / 30

17. 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

18 / 30

18. The neutral axis of a T-beam exists

a) within the flange

b) at the bottom edge of the slab

c) below the slab

d) all of the above

19 / 30

19. A rigid frame is a structure composed of members which are connected by

a) a single rivet

b) rigid joints

c) simple bearing

d) none of the above

20 / 30

20. For a continuous slab of 3m x 3.5m size, the minimum overall depth of the slab to satisfy vertical deflection limit is

a) 5cm

b) 7.5cm

c) 9cm

d) 12cm

21 / 30

21. The workability of concrete can be improved by

a) more sand

b) more cement

c) more fine aggregate

d) fineness of coarse aggregate

22 / 30

22. A circular slab, when subjected to external loading, deforms to assume a shape of

a) hemi-sphere

b) ellipsoid

c) semi-hemisphere

d) paraboloid

23 / 30

23. Main reinforcement in an RCC beam is used for

a) bending moment

b) shear force

c) moment of resistance

d) none of the above

24 / 30

24. The maximum diameter of bars in a beam is limited to

a) 25mm

b) 40mm

c) one-eighth of the least dimension of the beams

d) one-tenth of the depth

25 / 30

25. 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

26 / 30

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

a) 360 mm²

b) 460 mm²

c) 560 mm²

d) 600 mm²

27 / 30

27. The amount of reinforcement for main bars in a slab is based upon

a) minimum bending moment

b) maximum bending moment

c) minimum shear stress

d) maximum shear force

28 / 30

28. 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

29 / 30

29. 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

30 / 30

30. The cover provided in the column having size less than 200 mm x 200 mm is

a) 15

b) 20

c) 25

d) 40

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