A web plate is called unstiffened if the ratio of clear depth to thickness is le

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Question
A web plate is called unstiffened if the ratio of clear depth to thickness is less than
Options
A. 35
B. 50
C. 60
D. 85
E. 90

Correct Answer

85

Steel Structure Design problems

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1. 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
Options
A. 40
B. 50
C. 60
D. 70

4. Rolled steel beams are :
Options
A. mainly used to resist bending stress
B. used as independent sections to resist compressive stress
C. used as independent sections to resist tensile stress
D. All the above.

5. Modified moment of inertia of sections with a single web, is equal to moment of inertia of the section about Y-Y axis at the point of maximum bending moment and is multiplied by the ratio of
Options
A. area of compression flange at the minimum bending moment to the corresponding area at the point of maximum bending moment
B. area of tension flange at the minimum bending moment of the corresponding area at the point of maximum bending moment
C. total area of flanges at the maximum bending moment to the corresponding area at the point of maximum bending moment
D. none of these.

7. If R is the reaction on the bearing plate, the minimum moment of. inertia of the bearing stiffener provided at the support of a plate girder of overall depth D, the maximum thickness of the compression flange T, carrying total load W, is
Options
A.
B.
C.
D.

9. Long column is one
Options
A. which is more than 3 m long
B. whose lateral dimension is less than 25 cm
C. which is free at its top
D. which has a ratio of effective length and least lateral dimension more than 15.

10. For a cantilever beam of length L continuous at the support and unrestrained against torsion at the support and free at the end, the effective length l is equal to
Options
A. l = L
B. l = 2L
C. l = 0.5L
D. l = 3L
E. l = 3.5L

Comments

inayat abbas malla
answer is [D] 85- IS800:1984 clause (a)

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