Theory of Structures
A two hinged parabolic arch of span l and rise h carries a load varying from zero at the left end to ? per unit run at the right end. The horizontal thrust is

ωl²/4h
ωl²/12h
ωl²/8h
ωl²/16h

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Theory of Structures
Pick up the correct statement from the following:

In a loaded beam, the moment at which the entire section of the beam becomes fully plastic, is called plastic moment
In a loaded beam, the moment at which the first yield occurs is called yield moment
All of these
In a fully plastic stage of the beam, the neutral axis divides the section in two sections of equal area

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