Steel Structure Design - Engineering

Q1:

For a cantilever beam of length L built-in at the support and restrained against torsion at the free end, the effective projecting length l is

A l = 0.7L

B l = 0.75L

C l = 0.85L

D l = 0.5L

E l = L

ANS:B - l = 0.75L

Option B is correct based on the provision by IS code.