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 ultimate bending compressive strain in RCC is

a) 0.003

b) 0.0035

c) 0.0003

d) none of the above

2 / 30

2. Large size aggregate is better in yield high strength but in no case greater than

a) 2/3 of the minimum thickness of the member

b) 1/3 of the minimum thickness of the member

c) 3/4 of the minimum thickness of the member

d) 1/4 of the minimum thickness of the member

3 / 30

3. The effective span of a simply supported slab is

a) clear span plus the effective depth of the slab

b) span between outer faces of two walls

c) distance between the center of bearing

d) none of the above

4 / 30

4. 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

5 / 30

5. 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

6 / 30

6. 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

7 / 30

7. After casting, an ordinary cement concrete on drying

a) shrinks

b) expands

c) remains unchanged

d) can expand or shrink

8 / 30

8. The initial and final setting times for ordinary Portland cement are approximately related by (where T & t are the final and initial setting times)

a) T = 540+t

b) T = 270+t

c) T = 90+1.2t

d) T = 90+t

9 / 30

9. Distribution of shear intensity over a rectangular section of a beam follows

a) a circular curve

b) a straight line

c) a parabolic curve

d) an elliptical curve

10 / 30

10. 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

11 / 30

11. 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

12 / 30

12. 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

13 / 30

13. The maximum reinforcement in a column to consider the practical problem is

a) 4%

b) 5%

c) 6%

d) 8%

14 / 30

14. The size of fine aggregates does not exceed

a) 2.75 mm

b) 3.75 mm

c) 4.75 mm

d) 5.75 mm

15 / 30

15. 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

16 / 30

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

a) compaction

b) curing

c) water-cement ratio

d) all of the above

17 / 30

17. 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

18 / 30

18. 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

19 / 30

19. Factor of safety is given by

a) ultimate load /working load

b) working load / ultimate load

c) (w+u)load

d) (u-w)load

20 / 30

20. As the size of the cube increases, the strength of the cube

a) decreases

b) increases

c) increases but decreasing rate

d) decreases but decreasing rate

21 / 30

21. 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

22 / 30

22. An RCC roof slab is designed as a two-way slab if

a) it supports live load in both directions

b) the ratio of spans in both directions is less than two

c) the slab is continuous over two supports

d) the slab is discontinuous at edges

23 / 30

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

a) bleeding

b) creep

c) segregation

d) shrinkage

24 / 30

24. 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

25 / 30

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

a) increases

b) has no effect

c) decreases

d) none of the above

26 / 30

26. 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

27 / 30

27. 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

28 / 30

28. As per IS: 456, the column is considered as a short column if its slenderness ratio is more than

a) 10

b) 15

c) 18

d) 24

29 / 30

29. The resistance offered to slipping of steel bars in concrete is due to

a) adhesion

b) frictional resistance

c) mechanical resistance

d) all of the above

30 / 30

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

a) buckling

b) concrete

c) steel

d) length

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Structural Design Online Test – Paper 2

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