निम्नलिखित में से कौन सा संरचनात्मक अवयव मुख्य रूप से एक संपीडन अवयव (compression member) के रूप में कार्य करता है?

The strength and size specification of a butt weld is primary specified by its:

As per IS 800, the maximum bending moment for the design of purlins can be taken as (where W is the total distributed load including wind load on purlins and L is the effective span/centre distance of supports):