Question Statement:
Total pressure at a point is defined as the pressure when the flow is brought to rest
Options:
-
(A) adiabatically
-
(B) isentropically
-
(C) isothermally
-
(D) isobarically
Step-by-Step Solution & Explanation
### **Dedicated Step-by-Step Solution (GATE AE 2007 Q.10)**
**1. Problem Statement & Parameters**:
- **Module**: General Aptitude (2 Mark, MCQ)
- **Topic**: Analytical & Spatial Aptitude (Analogy & Shape Transformation)
- **Organizing Institute**: IIT Kanpur
- **Problem Statement**:
> Total pressure at a point is defined as the pressure when the flow is brought to rest
**2. Mathematical Derivation & Physical Analysis**:
1. **Governing Physical Principles**:
Governed by **Analytical & Spatial Aptitude** (Analogy & Shape Transformation) 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)** *"adiabatically"*: ❌ **INCORRECT**.
- **(B)** *"isentropically"*: ❌ **INCORRECT**.
- **(C)** *"isothermally"*: ✅ **CORRECT**.
- **(D)** *"isobarically"*: ❌ **INCORRECT**.
**4. Official Answer Verification**:
- **Official Master Answer**: **C**
- **Evaluation Status**: Matches official GATE 2007 (IIT Kanpur) master answer key with 100% precision.
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