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Figure shown below represents __________(a) fan truss(b) scissor truss(c) triangular truss(d) inclined trussI had been asked this question during an online exam.This is a very interesting question from Wooden and Steel Roof Truss in chapter Different Type Roofs, R.C.C of Civil Engineering Drawing

Answer» RIGHT choice is (b) scissor truss

Easy explanation: The scissor truss gets its name from being SHAPED like a pair of shears (scissors). Two defining features of a scissor truss are: 1) the joint where the bottom chords pass (the HINGE of a pair of scissors) must be firmly connected and 2) the rafter (top chord) FEET must land on the bottom chords. If the bottom chords join to the under-side of the top chords the assembly is said to be “scissor braced” RATHER than a scissor truss.


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