Structural Analysis
If the specified thickness of a footing is 100 cm, the depth of the form work may be tolerated from

-3 mm to +3 mm
-2 mm to +2 mm
-5 mm to +5 mm
-4 mm to +4 mm

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

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

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

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