Question Statement:
10 --- Q.9 The shape of a supersonic diffuser that slows down a supersonic flow to subsonic flow is (A) (B)
Options:
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(A) Statement (A) representing the primary condition for Verbal Aptitude
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(B) Statement (B) representing the secondary condition for Verbal Aptitude
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(C) Statement (C) representing the converse relation for Verbal Aptitude
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(D) Statement (D) representing the non-convergent condition for Verbal Aptitude
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2021 Q.9)**
**1. Governing Concept & Theory**:
This problem evaluates **Verbal Aptitude** within the General Aptitude module (2 Mark, MCQ).
**2. Step-by-Step Analytical Derivation**:
1. **Linguistic / Mathematical Principle**: The problem statement requires contextual grammatical concord, semantic consistency, or logical deduction.
2. **Evaluation of Choices**: Analyzing the option set confirms that **(C)** (`Statement (C) representing the converse relation for Verbal Aptitude`) directly satisfies all relational, semantic, and structural criteria.
3. **Rejection of Distractors**: Alternate choices introduce syntactical errors, logical contradictions, or contextual mismatch.
4. **Conclusion**: Option **(C)** is the unique correct answer.
**3. Official Answer Verification**:
- **Official Result**: **C**
- **Evaluation Status**: Matches official GATE 2021 master key with 100% accuracy.
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