Question Statement:
The service ceiling of an airplane is the altitude
Options:
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(A) at which maximum rate of climb is 100 m/min
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(B) beyond which theoretically the airplane cannot sustain level flight
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(C) at which maximum power is required for flight
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(D) at which maximum rate of climb is 100 ft/min
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2022 Q.18)**
**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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