Structural Analysis
The minimum horizontal distance between two parallel main reinforcing bars, is

The diameter of the longer bar if their diameters are unequal
5 mm more than nominal maximum size of the coarse aggregate
Greatest value of the above
The diameter of the bar if their diameters are same

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

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Structural Analysis
The effective length of lacing is the distance

All of these
Between the inner ends of effective lengths of welds connecting the members
0.7 of the distance between the inner end rivets of the bar for double lacing
Between the inner end rivets of the bar for single lacing

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