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GATE 2020 CE (CE2) – Question 15

Steel Structures · Plastic analysis of beams and portal frames · 1 mark · Multiple choice

The ratio of plastic moment capacity to yield moment capacity is called ______.

  1. aspect ratio
  2. load factor
  3. shape factor
  4. slenderness ratio

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Show answer and explanation

Correct answer: (C) shape factor

Explanation

Shape factor is $M_p/M_y=Z_p/Z_e$, measuring sectional plastic reserve beyond first yield. **C**.