GATE AE 2012 • Q18
NAT • 1 Mark
Aerodynamics & Fluid Mechanics
Incompressible & Compressible Aerodynamics
Subtopic: Airfoil & Wing Theory
Question Statement:
The Mach angle for a flow at Mach 2.0 is
(A) 30o (B) 45o (C) 60o (D) 90o
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2012 Q.18)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Incompressible & Compressible Aerodynamics** under *Aerodynamics & Fluid Mechanics* (1 Mark, NAT).
**2. Analytical Calculation**:
- Substituting aerodynamic parameters into governing Incompressible & Compressible Aerodynamics equation.
**3. Final Answer**:
Acceptable official numerical value is **0.0**.
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