Structural Analysis
For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust

Becomes zero
Is decreased
Remains unchanged
Is increased

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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
Pick up the incorrect statement from the following:

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

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