Structural Design Specifications - Engineering

Q1:

The ratio of the effective lengths of two columns, one effectively held in position at one end and partially restrained at the other end, and the other effectively held in position at one end and free at the other end, is

A

B

C

D

ANS:C -

Fixed and partial = 1.5L = 3/2 L.
Fixed free = 2 L,
3/2 ÷ 2 = 3/2×2 = 3/4.