An aircraft is cruising with a forward speed
aV and the jet exhaust speed relative
to the engine at the exit is
jV . If
2,ajVV = what is the propulsive efficiency?
Options:
(A) 0.50
(B) 1.00
(C) 0.33
(D) 0.67
Official Answer Key:
A
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2023 Q.22)**
**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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