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FAQ’s for Structural Design Jobs

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1. In moment resistant connections, the moment resistance of riveted connection depends upon

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

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3. In the virtual work method, the virtual quantity 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. If the floor is supported at or near the bottom but top chords of a bridge are not braced, then the bridge is called

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

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

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9. The minimum thickness of plates in a steel stack should be

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10. Steel tanks are mainly designed for

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11. The risk coefficient k, depends on

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12. The internal pressure coefficient on walls for buildings with large permeability is taken as

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

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14. The forces acting on the web splice of a plate girder are

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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. Horizontal stiffener in a plate girder is provided to safe guard against

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17. Economical depth of a plate girder corresponds to

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18. The use of tie plates in laced columns is

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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 maximum slenderness ratio of a steel column, the design of which is governed by wind or seismic forces is

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21. The slenderness ratio of a column supported throughout its length by a masonry wall is

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22. 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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23. For a standard 45° fillet, the ratio of size of fillet to throat thickness is

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

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

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

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27. The difference between gross diameter and nominaldia meter for the rivets up to 25 mm diameter is

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

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

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

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

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

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33. As the percentage of steel increases

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

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

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

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37. On a circular slab of radius, the maximum radial moment at the center if the load on the slab in wkn/m2

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

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

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40. 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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41. When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies

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

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

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46. Which of the below is a disadvantage of frame structure?

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47. The sway bracing is designed to transfer

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

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50. When the axis of load lies in the plane of rivet group, then the most heavily loaded rivet will be the one which (where, Fa is the load shared by each rivet due to axial load and F mis the shearing load due to moment in any rivet.)

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