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FAQ’s for Structural Design Jobs

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1. In the virtual work method, the virtual quantity is

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

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3. Shape factor is a property which depends

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4. The elastic strain for steel is about

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

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

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8. The risk coefficient k, depends on

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

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11. Bearing stiffener in a plate girder is used to

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

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

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16. Economical depth of a plate girder corresponds to

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17. 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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18. The use of tie plates in laced columns is

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

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

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

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23. Effective depth and depth of the neutral axis respectively of a singly reinforced?

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

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25. As the percentage of steel increases

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

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27. 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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28. The spacing of the main bars in a simply supported slab, should not exceed its effective depth by

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29. In a pre-stressed member, it is advisable to use

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

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

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32. Which of the following methods of structural analysis is a displacement method?

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

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34. 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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35. When shear stress exceeds the permissible limit in a slab, then it is reduced by

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36. 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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37. A lift of weight W is lifted by a rope with an acceleration f. if the area of cross-section of the rope is A, the stress in the rope is?

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38. 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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39. 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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40. A rod of uniform cross-section A and length L force P. The young’s modules E of the material, is?

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

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42. 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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43. For a cantilever of effective depth of 0.5m, the maximum span to satisfy vertical deflection limit is?

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44. 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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45. The diameter of base of conical flare of a steel stack is 9where d is the diameter of the cylindrical part)

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46. Generally, the purlins are placed at the panel points so as to avoid

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47. Normally, the angle of roof truss with asbestos sheets should not be less than

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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. As per IS: 800, for compression flange, the out stand of flange plates should not exceed (where t = thickness of thinnest flange plate)

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