Theory of Structures
There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be in the ratio of

1 : 1 : 2
2 : 1½ : 1
None of these
1 : 1½ : 2

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

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

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