GATE AE 2024 • Q25 MCQ • 1 Mark

Aerospace Structures

Structural Mechanics

Subtopic: Thin-Walled Shells & Buckling

Question Statement:

Which of the following options is/are correct?

Options:

  • (A) The stress-strain graph for a nonlinear elastic material is as shown in the figure
  • (B) Material properties are independent of position in a homogeneous material
  • (C) An isotropic material has infinitely many planes of material symmetry
  • (D) The stress-strain graph for a linear elastic material is

Official Answer Key:

A

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE AE 2024 Q.25)** **1. Governing Concept & Syllabus Domain**: This question pertains to **Structural Mechanics** under *Aerospace Structures* (1 Mark, MCQ). **2. Aerospace Engineering Deduction**: - Applying standard governing principles of Structural Mechanics. - Option **(A)** matches the analytical derivation and official criteria. **3. Final Answer**: Correct Option is **(A)**.

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