Structural Analysis
If in a pin-jointed plane frame (m + r) > 2j, then the frame is(Where ‘m’ is number of members, ‘r’ is reaction components and ‘j’ is number of joints)

Unstable
Stable and statically indeterminate
Stable and statically determinate
None of these

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

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

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

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