FAQ’s for Structural Design Jobs

/50

1 / 50

1. A steel beam supporting loads from the floor slab as well as from wall is termed as

1. stringer beam

2. lintel beam

3. spandrel beam

4. header beam

2 / 50

2. In the virtual work method, the virtual quantity is

1. displacement

2. load

3. slope

4. moment

3 / 50

3. The mechanism 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

4 / 50

4. 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

5 / 50

5. Shape factor is a property which depends

1. only on the ultimate stress of the material

2. only on the yield stress of the material

3. only on the geometry of the section

4. both on the yield stress and ultimate stress of material

6 / 50

6. compression force in two end posts The pin of a rocker bearing in a bridge is designed for

1. bearing and shear

2. bending and shear

3. bearing and bending

4. bearing, shear and bending

7 / 50

7. The portal bracing in a truss bridge is used to

1. transfer load from top of end posts to bearings

2. keep the rectangular shape of the bridge cross-section

3. stiffen the structure laterally

4. prevent the sidesway buckling of top chord

8 / 50

8. If the floor is supported at or near the bottom but top chords of a bridge are not braced, then the bridge is called

1. deck type

2. through type

3. half through type

4. double deck type

9 / 50

9. 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

10 / 50

10. Which of the following sections should preferably be used at places where torsion occurs?

1. angle section

2. channel section

3. box type section

4. any of the above

11 / 50

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

1. 3

2. 4

3. 5

4. 6

12 / 50

12. The capacity of the smallest pressed steel tank is

1. 1000 liters

2. 1650 liters

3. 1950 liters

4. 2450 liters

13 / 50

13. 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

14 / 50

14. Bearing stiffeners are provided at i) the supports, ii) the mid span, iii) the point of application of concentrated loads. The correct answer is

1. only (i)

2. both (i) and (ii)

3. both (i) and (iii)

4. (i), (ii) and (iii)

15 / 50

15. 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

16 / 50

16. 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

17 / 50

17. Economical depth of a plate girder corresponds to

1. minimum weight

2. minimum depth

3. maximum weight

4. minimum thickness of web

18 / 50

18. Lacing bars in a steel column should be designed to resist

1. bending moment due to 2.5% of the column load

2. shear force due to 2.5% of the column load

3. 2.5% of the column load

4. both a and b

19 / 50

19. 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

20 / 50

20. The effective length of a fillet weld should not be less than

1. two times the weld size

2. four times the weld size

3. six times the weld size

4. weld size

21 / 50

21. Bolts are most suitable to carry

1. shear

2. bending

3. axial tension

4. shear and bending

22 / 50

22. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is

1. 0.4

2. 0.5

3. 0.6

4. 0.7

23 / 50

23. 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

24 / 50

24. 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

25 / 50

25. The heaviest I-section for same depth is

1. ISMB

2. ISLB

3. ISHB

4. ISWB

26 / 50

26. With usual notations the depth of the neutral axis of a balanced section, is given by

1. mc/t=(d-n)/n

2. t/mc=(d-n)/n

3. t/mc=(d+n)/n

4. mc/t=n/(d-n)

27 / 50

27. 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

28 / 50

28. 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

29 / 50

29. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by

1. Three times

2. Four times

3. Five times

4. Six times

30 / 50

30. The nutral axis of a T-beam exists

1. Within the flange

2. At the bottom edge of the slab

3. Below the slab

4. All the above

31 / 50

31. The minimum thickness of s flat slab is taken

1. L/32 for end panels without drops

2. L/36 for end panels without drops

3. L/36 for interior panels without drops

4. All the above

32 / 50

32. 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

33 / 50

33. 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

34 / 50

34. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of

1. Zero length

2. Infinite length

3. Zero moment of inertia

4. None of the above

35 / 50

35. In the slope deflection equations, the deformations are considered to be caused by

1. Bending moment

2. Shear force

3. Axial force

4. Both b & c

36 / 50

36. 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

37 / 50

37. When shear stress exceeds the permissible limit in a slab, then it is reduced by

1. Increasing the depth

2. Providing shear reinforcement

3. Using high strength steel

4. Using thinner bars but more in number

38 / 50

38. A lift of weight W is lifted by a rope with an acceleration f. if the area of cross-section of the rope is A, the stress in the rope is?

1. [W(1+f/G)]/A

2. (1-g/f)/A

3. [W(2+f/G)]/A

4. [W(2+g/f)]A

39 / 50

39. A simply supported beam carries varying load from zero at one end and W at the other end. If the length of the beam is a, the maximum bending moment will be?

1. wa/27

2. wa2/27

3. w2a

4. wa2

40 / 50

40. A cantilever of length is subjected to a bending moment at its free end If EI is the rigidity of the section, the deflection of the free end, is?

1. ML/EI

2. ML/2EI

3. ML2/2EI

4. ML2/3EI

41 / 50

41. Normally in a truss structure, tension occurs at/for?

1. Joints

2. Base

3. Bottom chords

4. Top chords

42 / 50

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

1. Foundation

2. Beams

3. Slabs

4. Roofs

43 / 50

43. The sway bracing is designed to transfer

1. 2Vi % of the top panel wind load to bottom bracing

2. 10% of the top panel wind load to bottom bracing

3. 25% of the top panel wind load to bottom bracing

4. 50% of the top panel wind load to bottom bracing

44 / 50

44. 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

45 / 50

45. Generally, the purlins are placed at the panel points so as to avoid

1. axial force in rafter

2. shear force in rafter

3. deflection of rafter

4. bending moment in rafter

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. Normally, the angle of roof truss with asbestos sheets should not be less than

1. 26°/2°

2. 30°

3. 35°

4. 40°

48 / 50

48. The maximum permissible span of asbestos cement sheets is

1. 650 mm

2. 810 mm

3. 1250 mm

4. 1680 mm

49 / 50

49. 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

50 / 50

50. Battening is preferable when the( i) column carries axial load only, ii) space between the two main components is not very large, iii) column is eccentrically loaded The correct answer is)

1. only (i)

2. only (iii)

3. (i) and (ii)

4. (ii) and (iii)

Your score is

© 2023 Civil Jobs Training, All rights reserved