GATE AE 2024 • Q47 MCQ • 2 Marks

Aerospace Structures

Structural Mechanics

Subtopic: Thin-Walled Shells & Buckling

Question Statement:

Which of the following statements about absolute ceiling and service ceiling for a piston-propeller aircraft is/are correct?

Options:

  • (A) The altitude corresponding to absolute ceiling is higher than that for service ceiling
  • (B) At the absolute ceiling, the power required for cruise equals the maximum power available
  • (C) The altitude corresponding to absolute ceiling is lower than that for service ceiling
  • (D) At the service ceiling, the maximum rate of climb is 50 ft/min

Official Answer Key:

A

Step-by-Step Solution & Explanation

### **Official Solution & Step-by-Step Derivation (GATE AE 2024 Q.47)** **1. Governing Concept & Syllabus Domain**: This question pertains to **Structural Mechanics** under *Aerospace Structures* (2 Marks, 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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