Structural Analysis
Pick up the incorrect statement from the following:

The gross section of the web of rolled I-beams is the depth of the beam multiplied by the web thickness
The gross section of the web of channels is the depth of the web multiplied by its thickness
None of these
The gross section of the web of plate girders is the depth of the web plate multiplied by its thickness

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

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

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