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As per IS specification, the beam sections should be

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in Design of Steel Structures by (962k points)
As per IS specification, the beam sections should be

(a) not symmetrical about any principal axes

(b) at least symmetrical about one of the principal axes

(c) symmetrical about all principal axes

(d) unsymmetrical about all principal axes

This question was posed to me during an internship interview.

This question is from Beam Types and Sections in portion Design of Beams of Design of Steel Structures

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The correct option is (b) at least symmetrical about one of the principal axes

To elaborate: The beam sections should be at least symmetrical about one of the principal axes as per IS specification. Angle and T-sections are inherently weak in bending while channels can only be used for light loads. Rolled I0section is generally preferred as beam.

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