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Steel Structure Design - Engineering

Q1:

The allowable stress in axial tension is generally kept less if thickness of the member is more than

A 10 mm

B 12 mm

C 15 mm

D 20 mm

E 22 mm

ANS:D - 20 mm

It think dia more than 20mm. Permissible stress is decreased which is 130n/mm and upto 20mm stress 140n/mm.