Sagging of members by built up bars and rods may be minimised by(a) increasing length diameter(b) increasing thickness ratio(c) fabricating rod/bar short of its required theoretical length(d) fabricating rod/bar more than its required theoretical lengthI have been asked this question in examination.This intriguing question comes from Tension Members and their Types in section Design of Tension Members of Design of Steel Structures

Sagging of members by built up bars and rods may be minimised by(a) in

1.	Sagging of members by built up bars and rods may be minimised by(a) increasing length diameter(b) increasing thickness ratio(c) fabricating rod/bar short of its required theoretical length(d) fabricating rod/bar more than its required theoretical lengthI have been asked this question in examination.This intriguing question comes from Tension Members and their Types in section Design of Tension Members of Design of Steel Structures
Answer» The correct choice is (c) fabricating rod/bar short of its required THEORETICAL length Explanation: Sagging of members by built up BARS and rods may be minimised by limiting length DIAMETER or THICKNESS ratio or by fabricating the rod/bar short of its required theoretical length by some arbitrary amount and drawing into place to provide an initial TENSION. The same effect may be produced by providing turnbuckle in the rod.

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