Multiple choice

The plane frame below is analysed by neglecting axial deformations. The following statements are made with respect to the analysis (I) Column AB carries axial force only. (II) Vertical deflection at the center of beam BC is 1 mm. With reference to the above statements, which of the following applies? El = 81380 kN-m2

  1. Both the statements are true.

  2. Statement I is true but II is false.

  3. Statement II is true but I is false.

  4. Both the statements are false.
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A Correct answer
Explanation

In a frame with symmetric loading and geometry, the column axial forces can be determined by statics. The deflection of the beam can be found using standard beam deflection formulas or moment distribution methods.

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