Correct Answer - Option 2 : Strut
Explanation:
Principal strut:
- It is a top chord member of a roof truss or a truss girder subjected to heavy axial compression
A tie is a tension member
Compression members:
- The members subjected to axial compressive force are called compression members
Following are some examples of compression members
Strut:
It is a web member of a roof truss or brace frame subjected to light axial compressive loads.
Principal strut:
It is a top chord member of a roof truss or a truss girder subjected to heavy axial compression
Column or post or stanchion:
It is a vertical member of a steel building frame that is used to support a floor girder or floor subjected to heavy axial compressive loads.
Boom:
It is a principle compression member of a crane
