Design of Steel Structure
Battening is preferable when thei) column carries axial load onlyii) space between the two main components is not very largeiii) column is eccentrically loaded The correct answer is

(ii) and (iii)
(i) and (ii)
only (i)
only (iii)

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Design of Steel Structure
The mechanism method and the statical method give

upper and lower bounds respectively on the strength of structure
lower bound on the strength of structure
upper bound on the strength of structure
lower and upper bounds respectively on the strength of structure

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