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 designed main bars are placed in a two-way slab

a) along the short span

b) along the long span

c) perpendicular to the length of the slab

d) all of the above

2 / 30

2. The quantity of coarse aggregate required in 100 m³ of concrete having mix 1:2:4

a) 74 m³

b) 79 m³

c) 87 m³

d) 92 m³

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. 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

5 / 30

5. 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

6 / 30

6. 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

7 / 30

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 / 30

8. A column is considered as a long column if its slenderness ratio is more than

a) 40

b) 20

c) 24

d) 28

9 / 30

9. The anchorage value of the standard hook is taken as 16 times the diameter of the reinforcing bar if the angle of the bend is equal to

a) 30°

b) 40°

c) 180°

d) any of the above

10 / 30

10. 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

11 / 30

11. 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

12 / 30

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

a) increases

b) has no effect

c) decreases

d) none of the above

13 / 30

13. The maximum strain in the tension reinforcement in the section of a flexural member at failure shall not be less than (if fy is the characteristic strength of steel and Es is the modulus of elasticity of steel)

a) 0.0020

b) fy/(1.15Es) + 0.002

c) fy/(1.15Es) + 0.003

d) 0.0300

14 / 30

14. Two layers of tensile reinforcement bars are placed in a flexural member in such a way that the effective depth would be

a) maximum

b) minimum

c) negative

d) zero

15 / 30

15. Workability of concrete is inversely proportional to

a) water-cement ratio

b) size of aggregate

c) time of transit

d) none of the above

16 / 30

16. Poisson's ratio for concrete

a) increases with a richer mix

b) decreases with a richer mix

c) remains constant

d) increases with a poor mix

17 / 30

17. A balanced design of a beam is a condition where the ..... stresses occurring are equal to the permissible stress.

a) least

b) average

c) greatest

d) none of these

18 / 30

18. Factor of safety is given by

a) ultimate load /working load

b) working load / ultimate load

c) (w+u)load

d) (u-w)load

19 / 30

19. The ratio of the effective length of a cantilever column to its height is about

a) 2.5

b) 2.0

c) 1.5

d) 1.0

20 / 30

20. For a cantilever beam, the span to effective depth ratio is generally restricted to

a) 7

b) 10

c) 15

d) 20

21 / 30

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

a) maximum bending moment

b) minimum shear force

c) maximum shear force

d) minimum bending moment

22 / 30

22. The states of concrete are

a) elastic and hardened state

b) elastic and plastic state

c) plastic and hardened state

d) none of the above

23 / 30

23. 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

24 / 30

24. 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

25 / 30

25. The ratio of ultimate strength to working stress is

a) distribution factor

b) load factor

c) safety factor

d) shape factor

26 / 30

26. 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

27 / 30

27. Shear reinforcement in an RCC beam is used for

a) bending moment

b) shear force

c) moment of resistance

d) none of the above

28 / 30

28. Strength of concrete increases with

a) increase in water cement ratio

b) increase in fineness of cement

c) decrease in size of aggregate

d) decrease in curing time

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. The diameter of bars normally used in a column is

a) 10-25 mm

b) 12-25 mm

c) 14-25 mm

d) all of the above

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Structural Design Online Test – Paper 2

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