Exercise: Steel Structure Design

Questions for: Steel Structure Design

Compression members composed of two channels back-to-back and separated by a small distance are connected together by riveting so that the minimum slenderness ratio of each member between the connections, does not exceed
A:
40
B:
50
C:
60
D:
70
Answer: A
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For steel members exposed to weather and not accessible for repainting, the thickness of steel should not be less than
A:
4.5 mm
B:
6 mm
C:
8 mm
D:
10 mm
Answer: C
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If N is the number of rivets in the joint, the strength of a riveted joint against shearing of rivets, is given by
A:
Ps = N x (π/4) d2 x Ps
B:
Ps = N x (d x t x ps)
C:
Ps = N x (p - d) x t x Ps
D:
Ps = N x (P + d) x t x ps.
Answer: A
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Rise of a Jack arch is kept about
A:
1/2 to 1/3 of the span
B:
1/3 to 1/4 of the span
C:
1/4 to 1/8 of the span
D:
1/8 to 1/12 of the span.
Answer: D
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A column is carrying an axial load W and an eccentric load P. If A is its cross-sectional area, ex and ey are the eccentricities and Pxx and Zyy the section modulli, the equivalent axial load is obtained from the formula,
A:
B:
C:
D:
Answer: A
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