What is the diameter of the base of a conical flare on a steel stack compared to the diameter of the cylindrical section?

Design of Steel Structures MCQs for PPSC, FPSC, NTS, and Pakistan government job tests. Select an option below, then read the explanation.

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Subject
Design of Steel Structurescivil-engineering-mcqs › design-of-steel-structures
Published
20 Jan 2019
Last updated
28 May 2026

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Explanation

Here, d represents the diameter of the cylindrical portion of the stack. The base diameter of the conical flare is larger than d, which helps facilitate smoother flow transitions.

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