Question

Which of the following statement is correct?

(a) Single angle members are used where members are subjected to reversal of stresses

(b) Double angle members are used in towers

(c) Single angle members are used as web members in trusses

(d) Double angle members are used as web members in trusses

This question was addressed to me by my college professor while I was bunking the class.

Question is taken from Tension Members and their Types in chapter Design of Tension Members of Design of Steel Structures

Answer 1

The correct choice is (c) Single angle members are used as web members in trusses

Explanation: Single angle members are used in towers and as web members in trusses. Double angle sections are used as chord members in light roof trusses or in situations where some rigidity is required and where members are subjected to reversal of stresses.