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

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

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

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

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

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

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

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11. Rivets connecting flange angles to cover plates in a plate girder are subjected to

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12. Bearing stiffener in a plate girder is used to

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13. Gantry girders are designed to resist

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

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

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

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

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18. Economical depth of a plate girder corresponds to

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

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

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21. Diameter of a bolt hole is usually taken as

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

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

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25. Bending compressive and tensile stresses respectively are calculated based on

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26. As the percentage of steel increases

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

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30. The steel generally used in R.C.C. work, is

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31. The nutral axis of a T-beam exists

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32. The minimum thickness of s flat slab is taken

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33. 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

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34. The width of the flange of a L-beam, should be less than

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

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

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

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38. 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

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

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40. Bending moment at any section in a conjugate beam gives in the actual beam

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

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

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43. The maximum deflection due to a load W at the free end of a cantilever of length L and having flexural rigidity 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. Which of the below is a disadvantage of frame structure?

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47. One of the criteria for the effective width of flange of T-beam is bf =-+bw+6Df6 in above formula, lo signifies?

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

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

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