FAQ’s for Structural Design Jobs

/50

1 / 50

1. In moment resistant connections, the moment resistance of riveted connection depends upon

1. shear in rivets

2. compression in rivets

3. tension in rivets

4. strength of rivets in bearing

2 / 50

2. For rivets in tension with counter-sunk heads, the tensile value shall be

1. reduced by 25 %

2. reduced by 33.3%

3. increased by 25 %

4. increased by 33.3 %

3 / 50

3. Lug angles

1. are used to reduce the length of connection.

2. are unequal angles.

3. increases shear lag.

4. all the above

4 / 50

4. The connection of intermediate vertical stiffeners to the web, not subjected to external loads, shall be designed for a minimum shear force (kN/m) of (where, t = the web thickness in mm, h = the outstand of stiffener in mm)

1. 75 t2/h

2. 125 t3/h2

3. 125 t2/h

4. 175 t2/h

5 / 50

5. The minimum thickness of a steel plate, which is directly exposed to weather and is not accessible for cleaning and repainting, should be:

1. 4.5 mm

2. 6 mm

3. 8 mm

4. 10 mm

6 / 50

6. The shape factor of an isosceles triangle for bending about the axis parallel to the base is:

1. 1.5

2. 1.7

3. 2

4. 2.34

7 / 50

7. The ratio of plastic section modulus to elastic section modulus

1. is equal to 1

2. is always less than 1

3. is always greater than 1

4. can be less than 1

8 / 50

8. The moment-curvature relation at a plastic hinge is

1. linear

2. parabolic

3. constant moment for all curvatures

4. constant curvature for all moments

9 / 50

9. The least dimension in case of a circular column of diameter D is taken as

1. 0.5 D

2. 0.68 D

3. 0.88 D

4. D

10 / 50

10. The centrifugal force due to curvature of track is assumed to act on the bridge at a height of

1. 1.23 m above the rail level

2. 1.50 m above the rail level

3. 1.83 m above the rail level

4. 2.13 m above the rail level

11 / 50

11. The effect of racking forces is considered in the design of i) lateral braces, ii) chord members. The correct answer is

1. only (i)

2. only (ii)

3. both (i) and (ii)

4. none of the above

12 / 50

12. The diameter of base of conical flare of a steel stack is (where d is the diameter of the cylindrical part)

1. less than d

2. equal to d

3. more than d

4. all of the above

13 / 50

13. As per IS: 875, for the purposes of specifying basic wind velocity, the country has been divided into

1. 4 zones

2. 5 zones

3. 6 zones

4. 7 zones

14 / 50

14. Area of openings for buildings of large permeability is more than

1. 10% of wall area

2. 20% of wall area

3. 30% of wall area

4. 50% of wall area

15 / 50

15. Steel tanks are mainly designed for

1. weight of tank

2. wind pressure

3. water pressure

4. earthquake forces

16 / 50

16. The basic wind speed is specified at a height ‘h’ above mean ground level in an open terrain. The value of ‘h’ is

1. 10 m

2. 20 m

3. 25 m

4. 50 m

17 / 50

17. The maximum spacing of vertical stiffeners is(where d is the distance between flange angles)

1. 1.33 d

2. 1.25 d

3. 1.5 d

4. 1.75 d

18 / 50

18. Intermediate vertical stiffeners in a plate girder need be provided if the depth of web exceeds 9where t is thickness of web)

1. 501 t

2. 851 t

3. 200 t

4. 2501 t

19 / 50

19. Economical depth of a plate girder corresponds to

1. minimum weight

2. minimum depth

3. maximum weight

4. minimum thickness of web

20 / 50

20. The use of tie plates in laced columns is

1. prohibited

2. not prohibited

3. permitted at start and end of lacing system only

4. permitted between two parts of the lacing

21 / 50

21. Angle of inclination of the lacing bar with the longitudinal axis of the column should preferably be between

1. 10° to 30°

2. 30° to 40°

3. 40° to 70°

4. 90°

22 / 50

22. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is

1. 1

2. 1.4

3. 1.8

4. 2

23 / 50

23. The maximum slenderness ratio of a compression member carrying both dead and superimposed load is

1. 180

2. 200

3. 250

4. 350

24 / 50

24. The effective length of a battened strut effectively held in position at both ends but not restrained in direction is taken as

1. 1.8 L

2. L

3. 1.1 L

4. 1.5 L

25 / 50

25. When the axis of load lies in the plane of rivet group, then the rivets are subjected to

1. only shear stresses

2. only tensile stresses

3. both (a)and (b)

4. none of the above

26 / 50

26. Which of the following types of riveted joint is free from bending stresses?

1. lap joint

2. butt joint with single cover plate

3. butt joint with double cover plates

4. none of the above

27 / 50

27. If the thickness of thinnest outside plate is 10 mm, then the maximum pitch of rivets in tension will be taken as

1. 120 mm

2. 160 mm

3. 200 mm

4. 300 mm

28 / 50

28. Effective depth and depth of the neutral axis respectively of a singly reinforced?

1. d

2. n

3. d+n/3

4. d-n/3

29 / 50

29. The effective width of a column strip of a flat slab, is

1. One-fourth the width of the panel

2. Half the width of the panel

3. Radius of the column

4. Diameter of the column

30 / 50

30. The width of the rib of a T-beam , is generally kept between

1. 1/7 to 1/3 of rib depth

2. 1/3 to 1/2 of rib depth

3. 1/2 to 3/4 of rib depth

4. 1/3 to 2/3 of rib depth

31 / 50

31. For the design of a simply supported T-beam the ratio of the effective span to the overall depth of the beam is limited to

1. 10

2. 15

3. 20

4. 25

32 / 50

32. At-beam behaves as a rectangular beam of a width equal to its flange if its neutral axis

1. Remains within the flange

2. Remains below the slab

3. Coincides the geometrical centre of the beam

4. None of these

33 / 50

33. For normal cases, stiffness of a simply supported beam is satisfied if the ratio of its span to its overall depth does not exceed

1. 10

2. 15

3. 20

4. 25

34 / 50

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

1. 25

2. 30

3. 35

4. 40

35 / 50

35. Enlarged head of a supporting column of a flat slab is technically known as

1. Supporting end of the column

2. Top of the column

3. Capital

4. Drop panel

36 / 50

36. On a circular slab of radius, the maximum radial moment at the center if the load on the slab in wkn/m2

1. WR2/16

2. 2WR2/16

3. 3WR2/16

4. 5WR2/16

37 / 50

37. In a simply supported slab, alternate bars are curtailed at

1. 1/4th of the span

2. 1/5th of the span

3. 1/6th of the span

4. 1/7th of the span

38 / 50

38. In a pre-stressed member, it is advisable to use

1. Low strength concrete only

2. High strength concrete only

3. Low strength concrete but high tensile steel

4. High strength concrete and high tensile steel

39 / 50

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

1. 35

2. 25

3. 30

4. 20

40 / 50

40. Which of the following is not the displacement method?

1. Equilibrium method

2. Column analogy method

3. Moment distribution method

4. Kani’s method

41 / 50

41. When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that

1. The head of the load reaches the section

2. The tail of the load reaches the section

3. The load position should be such that the section divides it equally on both sides

4. The load position should be such that the section divides the load in the same ratio as it divides the span

42 / 50

42. According to IS codes recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is

1. 0.43 d

2. 0.55 d

3. 0.68 d

4. 0.85 d

43 / 50

43. A rod of uniform cross-section A and length L force P. The young’s modules E of the material, is?

1. E=/A. L

2. E=/P. L

3. E=/P. L/A

4. E=/P. A

44 / 50

44. Which of the below is a disadvantage of frame structure?

1. Ease of construction

2. Economy

3. Speed of construction

4. Large Span lengths

45 / 50

45. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?

1. 600 mm

2. 750 mm

3. 900 mm

4. More than 1 m

46 / 50

46. The relation between intensity of wind pressure p and velocity of wind V is taken as

1. pa V

2. paV2

3. p a (1/V)

4. paV”2

47 / 50

47. The range of economical spacing of trusses varies from

1. L/3 to L/5

2. L/4to2L/5

3. L/3 to L/2

4. 2L/5 to 3L/5 where L is span

48 / 50

48. Horizontal stiffener in a plate girder is provided to safeguard against

1. shear buckling of web plate

2. compression buckling of web plate

3. yielding

4. all of the above

49 / 50

49. Which of the following types of riveted joint is free from bending stresses ?

1. lap joint

2. butt joint with single cover plate

3. butt joint with double cover plates

4. none of the above

50 / 50

50. The difference between gross diameter and nominal diameter for the rivets up to 25 mm diameter is

1. 1.0 mm

2. 1.5 mm

3. 2.0 mm

4. 2.5 mm

Your score is

© 2023 Civil Jobs Training, All rights reserved