题目内容

What kind of global buckling may occur in the moment plane for the unidirectional flexural solid-web beam-columns? ( )

A. Bending buckling
B. Torsional buckling
C. Lateral-torsional buckling
Distortional buckling

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For battened beam-columns, the global stability of the column limb can be calculated according to ( ).

Axial compression member
Beam
C. Tension member
D. Beam-column

What kind of global buckling may occur outside the moment plane for the unidirectional flexural solid-web beam-columns? ( )

A. Bending buckling
B. Torsional buckling
C. Lateral-torsional buckling
Distortional buckling

When Q345 steel is used for welding components, the type of electrode used shall be .

A. E43
B. E50
C. E55
D. E60

Grade 1 and Grade 2 welds require a certain amount of ultrasonic inspection, and the detection rate of Grade 1 welds is and the detection rate of Grade 2 welds is 20%.

A. 20%
B. 50%
C. 80%
D. 100%

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