Structural Analysis
Independent displacement components at each joint of a rigid-jointed plane frame are

one linear movement and two rotations
three rotations
three linear movements
two linear movements and one rotation

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Structural Analysis
Pick up the correct statement for the web stiffeners.

d is the distance between flange angles or the clear distance between flanges
Vertical stiffeners are spaced at a distance not greater than 1.5 d and not less than 0.33 d
For horizontal stiffeners, d is the clear distance between the horizontal stiffener and the tension flange
All of these

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