Structural Analysis
The effective and actual lengths of a cantilever are same if continuous at the support,

Unstrained against torsion at the support and free at the end
Restrained against torsion at the support and free at the end
None of these
With partial restraint against torsion of the support and free at the end

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Structural Analysis
Pick up the correct statement applicable to cased columns.

Single I-beam or channels back with or without flange plates may be used
Single I-beam or channels back with or without flange plates may be used
All of these
The surface and edges of the steel column should be provided a concrete cover not less than 50 mm

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