Design of Steel Structures

11. A riveted joint many experience

1. Tearing failure of plates
2. Splitting failure of plates at the edges
3. Bearing failure of rivets
4. All the above

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12. A riveted joint may experience

1. Shear failure
2. Shear failure of plates
3. Bearing failure
4. All the above

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13. A second horizontal stiffener is always placed at the neutral axis of the girder if the thickness of the web is less than

1. d/250 for structural steel
2. d/225 for high tensile steel
3. Both (c) and (b)
4. Neither (a) nor (b)

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14. A simply supported beam carrying a central load, will be safe in deflection if the ratio of its span to depth, is

1. < 19
2. < 24
3. > 19
4. > 24

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15. A single angle in tension is connected by one leg only. If the areas of connecting and outstanding legs are respectively a and b, net effective area of the angle, is

1. a - [b/{1 + 0.35 (b/a)}]
2. a + [b/{1 + 0.35 (b/a)}]
3. a - [b/{1 + 0.2 (b/a)}]
4. a + [b/{1 + 0.2 (b/a)}]

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16. A steel beam supporting loads from the floor slab as well as from wall is termed as

1. Stringer beam
2. Lintel beam
3. Spandrel beam
4. Header beam

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17. A structural member subjected to compressive stress in a direction parallel to its longitudinal axis, is generally known as

1. Column
2. Stanchion
3. Post
4. All the above

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18. A structural member subjected to tensile force in a direction parallel to its longitudinal axis, is generally known as

1. A tie
2. A tie member
3. A tension member
4. All the above

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19. A tension member, if subjected to possible reversal of stress due to wind, the slenderness ratio of the member should not exceed

1. 180
2. 200
3. 300
4. 350

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20. A web plate is called unstiffened if the ratio of clear depth to thickness is less than

1. 35
2. 50
3. 65
4. 85

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