The effect of lateral-torsional buckling need not be considered when(a) λLT ≤ 0.4(b) λLT ≥0.4(c) λLT > 0.8(d) λLT = 0.8The question was posed to me during an interview for a job.I'm obligated to ask this question of Design Strength of Laterally Unsupported Beams in chapter Design of Beams of Design of Steel Structures

The effect of lateral-torsional buckling need not be considered when(a

1.	The effect of lateral-torsional buckling need not be considered when(a) λLT ≤ 0.4(b) λLT ≥0.4(c) λLT > 0.8(d) λLT = 0.8The question was posed to me during an interview for a job.I'm obligated to ask this question of Design Strength of Laterally Unsupported Beams in chapter Design of Beams of Design of Steel Structures
Answer» The CORRECT choice is (a) λLT ≤ 0.4 Explanation: The EFFECT of lateral-torsional BUCKLING need not be CONSIDERED when λLT ≤ 0.4, where λLT is the non dimensional slenderness ratio for lateral torsional buckling.

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