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FAQ’s for Structural Design Jobs

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

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2. Lug angles

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

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

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5. The mechanism method of plastic analysis satisfies

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6. The elastic strain for steel is about

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7. The bracing provided in the plane of end posts is called

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

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9. Hudson’s formula gives the dead weight of a truss bridge as a function of

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

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11. The allowable tensile stress in structural mild steel plates for steel tank is assumed as

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

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13. Gantry girders are designed to resist

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14. Minimum spacing of vertical stiffeners is limited to (where d is the distance between flange angles)

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15. The slenderness ratio of lacing bars should not exceed

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

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

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

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

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20. According to IS Specifications, the maximum pitch of rivets in compression is (where t is thickness of thinnest outside plate or angle)

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

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22. Minimum pitch of the rivets shall not be less than (where d is gross diameter of rivet)

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23. If the size of a column is reduced above the floor, the main bars of the column, are

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

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

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26. According to the steel beam theory of doubly reinforced beams

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

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28. 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

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

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30. By over-reinforcing a beam, the moment of resistance can be increased not more than

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

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

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

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34. The self-weight of the footing, is

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35. The minimum thickness of s flat slab is taken

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36. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is

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

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

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39. The three moments equation is applicable only when

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

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41. The carryover factor in a prismatic member whose far end is fixed is

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42. If a concrete column 200×200 mm in cross-section is reinforced with four steel bars of 1200 mm2 total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is 5 N/mm2 and Es is 15Ec?

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43. The maximum deflection due to a uniformly distributed load w/unit length over entire span of a cantilever of length l and of flexural rigidly EI, is?

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44. 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?

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45. A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be?

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

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

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

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49. Minimum pitch of the rivets shall not be less than where d is gross diameter of rivet

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

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