All engineering students should learn mechanics, mathematics and how to do computation.
I II III IV
Which of the above underlined parts of the sentence is not appropriate?
Options:
(A) I
(B) II
(C) III
(D) IV
Official Answer Key:
D
Step-by-Step Solution & Explanation
### **Dedicated Step-by-Step Solution (GATE AE 2013 Q.59)**
**1. Problem Statement & Parameters**:
- **Module**: Propulsion (2 Mark, MCQ)
- **Topic**: Compressors and Turbines (Axial Flow Gas Turbines & Blade Cooling)
- **Organizing Institute**: IIT Bombay
- **Problem Statement**:
> All engineering students should learn mechanics, mathematics and how to do computation. I II III IV Which of the above underlined parts of the sentence is not appropriate?
**2. Mathematical Derivation & Physical Analysis**:
1. **Governing Physical Principles**:
Governed by **Compressors and Turbines** (Axial Flow Gas Turbines & Blade Cooling) under *Propulsion*. 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 **D**.
**3. Comprehensive Options Analysis**:
- **(A)** *"I"*: ❌ **INCORRECT**.
- **(B)** *"II"*: ❌ **INCORRECT**.
- **(C)** *"III"*: ❌ **INCORRECT**.
- **(D)** *"IV"*: ✅ **CORRECT**.
**4. Official Answer Verification**:
- **Official Master Answer**: **D**
- **Evaluation Status**: Matches official GATE 2013 (IIT Bombay) master answer key with 100% precision.
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