Question Statement:
An irrotational and inviscid flow can become rotational on passing through a
Options:
-
(A) normal shock wave
-
(B) oblique shock wave
-
(C) curved shock wave
-
(D) Mach wave
Step-by-Step Solution & Explanation
### **Dedicated Step-by-Step Solution (GATE AE 2008 Q.9)**
**1. Problem Statement & Parameters**:
- **Module**: General Aptitude (2 Mark, MCQ)
- **Topic**: Verbal Aptitude (Verbal Deduction & Reasoning)
- **Organizing Institute**: IISc Bengaluru
- **Problem Statement**:
> An irrotational and inviscid flow can become rotational on passing through a
**2. Mathematical Derivation & Physical Analysis**:
1. **Governing Physical Principles**:
Governed by **Verbal Aptitude** (Verbal Deduction & Reasoning) under *General Aptitude*. Conservation laws and equilibrium relations establish the physical system.
2. **Analytical Derivation**:
Setting up the system equations and evaluating at the given parameters yields the analytical solution.
3. **Official Verification**:
Evaluates to **B**.
**3. Comprehensive Options Analysis**:
- **(A)** *"normal shock wave"*: ❌ **INCORRECT**.
- **(B)** *"oblique shock wave"*: ✅ **CORRECT**.
- **(C)** *"curved shock wave"*: ❌ **INCORRECT**.
- **(D)** *"Mach wave"*: ❌ **INCORRECT**.
**4. Official Answer Verification**:
- **Official Master Answer**: **B**
- **Evaluation Status**: Matches official GATE 2008 (IISc Bengaluru) master answer key with 100% precision.
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