Structural Analysis
The deflection at any point of a perfect frame can be obtained by applying a unit load at the joint in

The direction in which the deflection is required
Horizontal direction
Vertical direction
Inclined direction

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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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