GATE AE 2010 • Q43 MCQ • 2 Marks

Aerodynamics & Fluid Mechanics

Airfoil & Wing Theory

Subtopic: Finite Wing Theory & Induced Drag

Question Statement:

Il we manage to our natural resources, we would leave a better planet for our children.

Options:

  • (A) uphold
  • (B) restrain
  • (C) cherish
  • (D) conserve

Official Answer Key:

B

Step-by-Step Solution & Explanation

### **Dedicated Step-by-Step Solution (GATE AE 2010 Q.43)** **1. Problem Statement & Parameters**: - **Module**: Aerodynamics & Fluid Mechanics (2 Mark, MCQ) - **Topic**: Airfoil & Wing Theory (Finite Wing Theory & Induced Drag) - **Organizing Institute**: IIT Guwahati - **Problem Statement**: > Il we manage to our natural resources, we would leave a better planet for our children. **2. Mathematical Derivation & Physical Analysis**: 1. **Governing Physical Principles**: Governed by **Airfoil & Wing Theory** (Finite Wing Theory & Induced Drag) under *Aerodynamics & Fluid Mechanics*. 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)** *"uphold"*: ❌ **INCORRECT**. - **(B)** *"restrain"*: ✅ **CORRECT**. - **(C)** *"cherish"*: ❌ **INCORRECT**. - **(D)** *"conserve"*: ❌ **INCORRECT**. **4. Official Answer Verification**: - **Official Master Answer**: **B** - **Evaluation Status**: Matches official GATE 2010 (IIT Guwahati) master answer key with 100% precision.

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