Theory of Structures
The yield moment of a cross section is defined as the moment that will just produce the yield stress in

The neutral fibre of the section
The outer most fibre of the section
The fibre everywhere
The inner most fibre of the section

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Theory of Structures
The horizontal thrust on the ends of a two hinged semicircular arch of radius ‘R’ carrying

A distributed load varying from zero at the left end to ? per unit horizontal run at the right end, is ? ?R/?
A uniformly distributed load ? per unit run over its right half span, is ? ?R/?
All of these
A uniformly distributed load ? per unit run over its entire span is 4/3 ?R/?

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