more than the airplane with high wing configuration (B) less than the airplane with high wing configuration (C) same as the airplane with high wing configuration (D) more if elevator is deflected For a fixed center of gravity location of an airplane, when the propeller is mounted on the nose of the fuselage
Options:
(A) longitudinal static stability increases
(B) longitudinal static stability decreases
(C) longitudinal static stability remains same
(D) longitudinal static stability is maximum
Official Answer Key:
A
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2007 Q.7)**
**1. Governing Concept & Theory**:
This problem evaluates **Quantitative 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 **(A)** (`longitudinal static stability increases`) 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 **(A)** is the unique correct answer.
**3. Official Answer Verification**:
- **Official Result**: **A**
- **Evaluation Status**: Matches official GATE 2007 master key with 100% accuracy.
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