Steel Structure Design - Engineering

Q1:

Effective length of a column effectively held in position and restrained in direction at one end but neither held in position nor restrained in direction at the other end, is

A L

B 0.67 L

C 0.85 L

D 1.5 L

E 2 L

ANS:E - 2 L

I think the answer is 2 as the condition is a cantilever.