Design of Steel Structures Questions and Answers – Design Strength of Laterally Supported Beams -I

This set of Design of Steel Structures Multiple Choice Questions & Answers (MCQs) focuses on “Design Strength of Laterally Supported Beams – I”.

1. Which of the following aspects need not be considered for beam design?
a) deflection
b) material of beam
c) buckling
d) lateral supports
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2. The design bending strength of laterally supported beams is governed by
a) torsion
b) bending
c) lateral torsional buckling
d) yield stress
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3. The web is susceptible to shear buckling when d/t_w
a) <67ε
b) < 2×67ε
c) >67ε
d) < 70ε
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4. When there is no shear buckling,
a) V_p = V_n
b) V_p > V_n
c) V_p < V_n
d) V_p = 2V_n
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5. Plastic shear resistance is given by
a) f_y/√3
b) shear area x f_y x √3
c) shear area x f_y/√3
d) shear area / (f_y/√3)
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6. The design shear strength is given by
a) V_n
b) V_n/γ_m0
c) V_n x γ_m0
d) γ_m0
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7. The web area will be fully effective when shear force V
a) ≥ 0.6V_d
b) < 0.6V_d
c) ≤ 0.6V_d
d) >2×0.6V_d
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8. Which of the following is true about sections with high shear case V>0.6V_d ?
a) web area is ineffective
b) web area is fully effective
c) flanges will not resist moment
d) moment is not reduced
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