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_________ trusses lie on a 3D volume.

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_________ trusses lie on a 3D volume.

(a) Planar

(b) 2D

(c) Linear

(d) 3D

I have been asked this question in semester exam.

Question is from Space Trusses topic in section Structural Analysis of Engineering Mechanics

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Correct choice is (d) 3D

For explanation: The planar trusses lie on a plane while the space truss in 3D volume. Like for e.g. the trusses in the bridges. These trusses are the main supports of the bridge. They are extended straight vertical and are strong enough to resist various changes in the weather.

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