GATE AE 2010 • Q9 MCQ • 2 Marks General Aptitude

General Aptitude

Quantitative Aptitude

Subtopic: Arithmetic & Numerical Estimation

Question Statement:

The absolute ceiling of an aircraft is the altitude above which it:

Options:

  • (A) can never reach
  • (B) cannot sustain level flight al a constant speed
  • (C) can perform accelerated fight as well as straighi and level flight al a constant speed
  • (D) can perform straight and level flight at a constant speed only

Official Answer Key:

C

Step-by-Step Solution & Explanation

### **Dedicated Step-by-Step Solution (GATE AE 2010 Q.9)** **1. Problem Statement & Parameters**: - **Module**: General Aptitude (2 Mark, MCQ) - **Topic**: Verbal Aptitude (Verbal Deduction & Reasoning) - **Organizing Institute**: IIT Guwahati - **Problem Statement**: > The absolute ceiling of an aircraft is the altitude above which it: **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 **C**. **3. Comprehensive Options Analysis**: - **(A)** *"can never reach"*: ❌ **INCORRECT**. - **(B)** *"cannot sustain level flight al a constant speed"*: ❌ **INCORRECT**. - **(C)** *"can perform accelerated fight as well as straighi and level flight al a constant speed"*: ✅ **CORRECT**. - **(D)** *"can perform straight and level flight at a constant speed only"*: ❌ **INCORRECT**. **4. Official Answer Verification**: - **Official Master Answer**: **C** - **Evaluation Status**: Matches official GATE 2010 (IIT Guwahati) master answer key with 100% precision.
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