(C)
R
r
r
Rr V ln21 sin2
2
(D)
R
r
r
Rr V ln21 sin2
2
A main objective of by-pass in a turbo-fan engine is to increase
(A) mass flow rate through engine inlet (B) turbine inlet temperature
Official Answer Key:
0.0
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2011 Q.21)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (1 Mark, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Structural Mechanics equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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