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

All of these
The moment of inertia is calculated about the axis about which bending takes place
If tensile stress is equal to axial stress, the section experiences compressive stress
If tensile stress is less than axial stress, the section experiences compressive stress

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

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

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