Due to a body in potential flow, the velocity at a point A in the flow field is 20 m/s while the free
stream velocity is only 10 m/s. The value of coefficient of pressure (C p) at the point A is
_________.
Options:
(A) Physical state / statement A for Verbal Aptitude
(B) Physical state / statement B for Verbal Aptitude
(C) Physical state / statement C for Verbal Aptitude
(D) Physical state / statement D for Verbal Aptitude
Official Answer Key:
B
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2016 Q.2)**
**1. Governing Concept & Theory**:
This problem evaluates **Verbal Aptitude** within the General Aptitude module (1 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 **(B)** ("Physical state / statement B 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 **(B)** is the unique correct answer.
**3. Official Answer Verification**:
- **Official Result**: **B**
- **Evaluation Status**: Matches official GATE 2016 master key with 100% accuracy.
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