Design of Steel Structures

231. The least dimension incase of a circular column of diameter 'D' is taken as

1. 0.5 D
2. 0.68 D
3. 0.88 D
4. D

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232. The least permissible clear dimension of the web of thickness t in the panel of a plate girder, is restricted to

1. 150 t
2. 160 t
3. 170 t
4. 180 t

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233. The live load for a sloping roof with slope 15°, where access is not provided to roof, is taken as

1. 0.65 kN/m²
2. 0.75 kN/m²
3. 1.35 kN/m²
4. 1.50 kN/m²

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234. The load on a lintel is assumed as uniformly distributed if the height of the masonry above it, is upto a height of

1. The effective span
2. 1.25 times the effective span
3. 1.50 times the effective span
4. 2.0 times the effective span

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235. The main advantage of a steel member, is:

1. Its high strength
2. Its gas and water tightness
3. Its long service life
4. All the above

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236. The main assumption of the method of simple design of steel frame work, is:

1. Beams are simply supported
2. All connections of beams, girders and trusses are virtually flexible
3. Members in compression are subjected to forces applied at appropriate eccentricities
4. All the above

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237. The main type of butt joints, is a double cover

1. Shear riveted joint
2. Chain riveted joint
3. Zig-zag riveted joint
4. All the above

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238. The maximum axial load which is just sufficient to keep a column in a small deflected shape, is called

1. Crippling load
2. Buckling load
3. Critical load
4. All the above

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239. The maximum permissible slenderness ratio of a member carrying loads resulting from wind, is

1. 180
2. 200
3. 250
4. 300

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240. The maximum permissible slenderness ratio of compression member carrying dead and superimposed load, is

1. 180
2. 200
3. 250
4. 350

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