FAQ’s for Structural Design Jobs
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1. Pitch of tacking rivets, when double angles connected back-to-back and acting as tension members should not be more than
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2. For a compression member with double angle section, which of the following section will give larger value of minimum radius of gyration?
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3. 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)
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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. Other conditions being same, the load factor in indeterminate structures is
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6. The ratio of plastic section modulus to elastic section modulus
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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. compression force in two end posts The pin of a rocker bearing in a bridge is designed for
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9. The diameter of base of conical flare of a steel stack is (where d is the diameter of the cylindrical part)
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10. The allowable tensile stress in structural mild steel plates for steel tank is assumed as
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11. The minimum thickness of plates in a steel stack should be
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12. Minimum pitch provided in riveted steel tanks is (where d is diameter of rivets)
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13. The forces acting on the web splice of a plate girder are
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14. The web crippling due to excessive bearing stress can be avoided by
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15. The slenderness ratio of lacing bars should not exceed
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16. The overlap of batten plates with the main members in welded connections should be more than (where t = thickness of the batten plate)
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17. The effective length of a battened column is increased by
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18. The best arrangement to provide unified behavior inbuilt up steel columns is by
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19. The actual thickness of butt weld as compared to the thickness of plate is usually
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20. A butt weld is specified by
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21. Bolts are most suitable to carry
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22. 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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23. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which
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24. Which of the following types of riveted joint is free from bending stresses?
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25. Bending compressive and tensile stresses respectively are calculated based on
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26. An under-reinforced section means
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27. The steel generally used in R.C.C. work, is
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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
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29. The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is
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30. If the length of an intermediate span of a continuous slab is 5m, the length of the end span is kept
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31. In a simply supported slab, alternate bars are curtailed at
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32. The nutral axis of a T-beam exists
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33. The minimum thickness of s flat slab is taken
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34. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
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35. The maximum ratio of span to depth of a slab simply supported and spanning in one direction, is
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36. Which of the following methods of structural analysis is a displacement method?
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37. A single rolling load of 8 kN rolls alone a girder of 15 m span. the absolute maximum bending moment will be
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38. Bending moment at any section in a conjugate beam gives in the actual beam
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39. The three moments equation is applicable only when
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40. The carryover factor in a prismatic member whose far end is fixed is
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41. A steel rod 1 meter long having square cross section is pulled under a tensile load of 8 tones the extension in the rod was 1 mm only. if E steel=2x106kg/cm2, the side of the rod, is
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42. 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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43. In frame structure, what transfers the load to columns?
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44. For a simply supported beam of span 15m, the maximum effective depth to satisfy vertical deflection limit should be?
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45. 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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46. 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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47. The relation between intensity of wind pressure p and velocity of wind V is taken as
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48. 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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49. The range of economical spacing of trusses varies from
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50. Horizontal stiffener in a plate girder is provided to safeguard against
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