Civil Engineering MCQJE Level Civil Engineering
A design assistant has to decide on bending member without compression flange restraint. Which statement is sound? Avoid the common trap that unbraced length is ignored.
Steel StructuresLaterally Unsupported BeamMEDIUM
Choose the correct answer
A
only shear yielding is possible
B
unbraced length is ignored
C
lateral-torsional buckling must be checked
D
section modulus is irrelevant
Correct Answer
C. lateral-torsional buckling must be checked
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Unsupported beams can fail by LTB before full plastic moment. Correct option: C.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.