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. In moment resistant connections, the moment resistance of riveted connection depends upon
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3. The allowable shear stress in the web of mild steel beams decreases with (where ‘h’ is height and t is thickness)
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4. Lug angles
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5. 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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6. In case of plastic design, the calculated maximum shear capacity of a beam as per IS:800 shall be (where, Aw = effective cross-sectional area resisting shear fy = yield stress of the steel)
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7. Load factor is
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8. The mechanism method and the statical method give
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9. Shape factor is a property which depends
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10. In case of timber structures, the form factor for solid circular cross-section is taken as
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11. The bracing provided in the plane of end posts is called
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12. The portal bracing in a truss bridge is used to
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13. The allowable tensile stress in structural mild steel plates for steel tank is assumed as
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14. Area of openings for buildings of large permeability is more than
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15. The bracing between two columns of a steel tank will be designed to resist
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16. The risk coefficient k, depends on
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17. As per IS: 800, for compression flange, the outstand of flange plates should not exceed (where t = thickness of thinnest flange plate)
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18. According to IS:800, in the Merchant Rankine formula the value of imperfection index (n) is
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19. The best arrangement to provide unified behavior inbuilt up steel columns is by
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20. A butt weld is specified by
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21. The effective length of a fillet weld should not be less than
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22. When the bolts are subjected to reversal of stresses, the most suitable type of bolt is
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23. Bolts are most suitable to carry
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24. Efficiency of a riveted joint, having the minimum pitch as per IS: 800, is
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25. 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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26. 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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27. Which of the following types of riveted joint is free from bending stresses?
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28. Bending compressive and tensile stresses respectively are calculated based on
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29. The minimum number of main steel bars provided in R.C.C.
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30. Effective depth and depth of the neutral axis respectively of a singly reinforced?
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31. The effective width of a column strip of a flat slab, is
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32. According to the steel beam theory of doubly reinforced beams
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33. 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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34. Enlarged head of a supporting column of a flat slab is technically known as
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35. The self-weight of the footing, is
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36. The nutral axis of a T-beam exists
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37. The minimum thickness of s flat slab is taken
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38. The width of the flange of a L-beam, should be less than
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39. If the width of the foundation for two equal columns is restricted, the shape of the footing generally adopted, is
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40. In the displacement method of structural analysis, the basic unknowns are
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41. While using three moments equation, a fixed end of a continuous beam is replaced by an additional span of
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42. According to IS codes recommendations, the maximum depth of stress block for balanced section of a beam of effective depth d is
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43. 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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44. 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?
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45. Shell structure does not have any?
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46. Which of the below is a disadvantage of frame structure?
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47. 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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48. Generally, the purlins are placed at the panel points so as to avoid
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49. Normally, the angle of roof truss with asbestos sheets should not be less than
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50. The maximum permissible span of asbestos cement sheets is
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