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. The allowable shear stress in the web of mild steel beams decreases with (where ‘h’ is height and t is thickness)

1. decrease in h/t ratio

2. increase in h/t ratio

3. decrease in thickness

4. increase in height

3 / 50

3. 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

4 / 50

4. Which of the following conditions is to be satisfied both in elastic and plastic analysis?

1. equilibrium condition

2. yield condition

3. plastic moment condition

4. mechanism condition

5 / 50

5. The statical method of plastic analysis satisfies

1. equilibrium and mechanism conditions

2. equilibrium and plastic moment conditions

3. mechanism and plastic moment conditions

4. equilibrium condition only

6 / 50

6. 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

7 / 50

7. The number of seismic zones in which the country has been divided are

1. 3

2. 4

3. 5

4. 6

8 / 50

8. The bracing between two columns of a steel tank will be designed to resist

1. horizontal shear due to wind or earthquake only

2. horizontal, shear due to wind or earthquake + 2.5% of column loads

3. column loads + 2.5% of horizontal shear due to wind or earthquake

4. column loads + full horizontal shear due to wind or earthquake

9 / 50

9. The capacity of the smallest pressed steel tank is

1. 1000 liters

2. 1650 liters

3. 1950 liters

4. 2450 liters

10 / 50

10. The external wind pressure acting on a roof depends on

1. degree of permeability of roof

2. slope of roof

3. both a and b

4. none of the above

11 / 50

11. 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

12 / 50

12. The forces acting on the web splice of a plate girder are

1. axial forces

2. shear and axial forces

3. shear and bending forces

4. axial and bending forces

13 / 50

13. The web crippling due to excessive bearing stress can be avoided by

1. increasing the web thickness

2. providing suitable stiffeners

3. increasing the length of the bearing plates

4. none of the above

14 / 50

14. Horizontal stiffener in a plate girder is provided to safe guard against

1. shear buckling of web plate

2. compression buckling of web plate

3. yielding

4. all of the above

15 / 50

15. The slenderness ratio of lacing bars should not exceed

1. 100

2. 120

3. 145

4. 180

16 / 50

16. Economical depth of a plate girder corresponds to

1. minimum weight

2. minimum depth

3. maximum weight

4. minimum thickness of web

17 / 50

17. 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°

18 / 50

18. If the 20 mm rivets are used in lacing bars, then the minimum width of lacing bar should be

1. 40mm

2. 60mm

3. 80mm

4. 100mm

19 / 50

19. The maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

1. 150

2. 200

3. 250

4. 350

20 / 50

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

1. 180

2. 200

3. 250

4. 350

21 / 50

21. The slenderness ratio of a column supported throughout its length by a masonry wall is

1. zero

2. 10

3. 100

4. infinity

22 / 50

22. A circular column section is generally not used in actual practice because

1. it is uneconomical

2. it cannot carry the load safely

3. it is difficult to connect beams to the round sections

4. all of the above

23 / 50

23. For a standard 45° fillet, the ratio of size of fillet to throat thickness is

1. 0.042361111

2. 1 : V2

3. V2 : 1

4. 0.084027778

24 / 50

24. In the cross-section of a weld, throat is the

1. minimum dimension

2. average dimension

3. maximum dimension

4. none of the above

25 / 50

25. Select the correct statement

1. Material cost of a rivet is higher than that of a bolt.

2. Tensile strength of a bolt is lesser than that of a rivet.

3. Bolts are used as a temporary fastening whereas rivets are used as permanent fastenings.

4. Riveting is less noisy than bolting.

26 / 50

26. Bolts are most suitable to carry

1. shear

2. bending

3. axial tension

4. shear and bending

27 / 50

27. By providing sufficient edge distance, which of the following failures of riveted joint can be avoided?

1. tension failure of the plate

2. shear failure of the rivet

3. shear failure of the plate

4. crushing failure of the rivet

28 / 50

28. If the thickness of plate to be connected by a rivet is 16mm, then suitable size of rivet as per Unwin’s formula will be

1. 16 mm

2. 20 mm

3. 24 mm

4. 27 mm

29 / 50

29. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which

1. is at the maximum distance from CG of the rivet group

2. is at the minimum distance from CG of the rivet group

3. gives the maximum angle between the two forces Fa and Fm

4. gives the minimum angle between the two forces Fa and Fm

30 / 50

30. The width of the flange of a T-beam should be less than

1. One-third of the effective span of the T-beam

2. Distance between the centres of T-beam

3. Breadth of the rib plus twelve times the thickness of the slab

4. Least of the above

31 / 50

31. An under-reinforced section means

1. Steel is provided at the underside only

2. Steel provided is insufficient

3. Steel provided on one face only

4. Steel will yield first

32 / 50

32. As the percentage of steel increases

1. Depth of neutral axis decreases

2. Depth of neutral axis increases

3. Lever arm increases

4. Lever arm decreases

33 / 50

33. 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

34 / 50

34. 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

35 / 50

35. The self-weight of the footing, is

1. Not considered for calculating the upward pressure on footing

2. Also considered for calculating the upward pressure on footing

3. Not considered for calculating the area of the footing

4. Both B. and C.

36 / 50

36. The maximum thickness of the cover at the end of a reinforcing bar should not be less than twice the diameter of the bar subject to a minimum of

1. 10 mm

2. 15 mm

3. 20 mm

4. 25 mm

37 / 50

37. In the displacement method of structural analysis, the basic unknowns are

1. Displacements

2. Force

3. Displacements and forces

4. None of the above

38 / 50

38. Which of the following methods of structural analysis is a displacement method?

1. Moment distribution method

2. Column analogy method

3. Three moment equation

4. None of the above

39 / 50

39. Which of the following methods of structural analysis is a force method?

1. Slope deflection method

2. Column analogy method

3. Moment distribution method

4. None of the above

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. The maximum bending moment due to a train of wheel loads on a simply supported girder

1. Always occurs at center of span

2. Always occurs under a wheel load

3. Never occurs under a wheel load

4. None of the above

43 / 50

43. A single rolling load of 8 kN rolls alone a girder of 15 m span. the absolute maximum bending moment will be

1. 8 kN.m

2. 15 kN.m

3. 30 kN.m

4. 60 kN.m

44 / 50

44. The three moments equation is applicable only when

1. The beam is prismatic

2. There is no settlement of supports

3. There is no discontinuity such a hinges within the span

4. The spans are equal

45 / 50

45. In moment distribution method, the sum of distribution factors of all tha members meeting at any joint is always

1. Zero

2. Less than 1

3. 1

4. Greater than 1

46 / 50

46. In frame structure, what transfers the load to columns?

1. Foundation

2. Beams

3. Slabs

4. Roofs

47 / 50

47. For a continuous slab of 3m 3.5m size, the minimum overall depth of slab to satisfy vertical deflection limits is?

1. 50 mm

2. 75 mm

3. 100 mm

4. 120 mm

48 / 50

48. The diameter of base of conical flare of a steel stack is 9where d is the diameter of the cylindrical part)

1. less than d

2. equal to d

3. more than d

4. any of the above

49 / 50

49. To minimize the total cost of a roof truss, the ratio of the cost of truss to the cost of purlins shall be

1. 1

2. 2

3. 3

4. 4

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