Under what conditionshould a glider be operated to ensure minimum sink rate?
(A) Maximum CL/CD (B) Minimum CL/CD
(C) Maximum CD/CL
3/2 (D) Minimum CD/CL
3/2
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2014 Q.23)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Airplane Performance & Stability** under *Flight Mechanics & Space Dynamics* (1 Mark, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Airplane Performance & Stability equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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