Choose the most appropriate word(s) from the opt ions given below to complete the following
sentence.
We lost confidence in him because he never __________ the grandiose promises he had made.
Options:
(A) delivered
(B) delivered on
(C) forgot
(D) reneged on
Official Answer Key:
B
Step-by-Step Solution & Explanation
### **Dedicated Step-by-Step Solution (GATE AE 2011 Q.57)**
**1. Problem Statement & Parameters**:
- **Module**: Propulsion (2 Mark, MCQ)
- **Topic**: Inlets, Combustors & Nozzles (Combustor Design & Flame Stabilization)
- **Organizing Institute**: IIT Madras
- **Problem Statement**:
> Choose the most appropriate word(s) from the opt ions given below to complete the following sentence. We lost confidence in him because he never __________ the grandiose promises he had made.
**2. Mathematical Derivation & Physical Analysis**:
1. **Governing Physical Principles**:
Governed by **Inlets, Combustors & Nozzles** (Combustor Design & Flame Stabilization) 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 **B**.
**3. Comprehensive Options Analysis**:
- **(A)** *"delivered"*: ❌ **INCORRECT**.
- **(B)** *"delivered on"*: ✅ **CORRECT**.
- **(C)** *"forgot"*: ❌ **INCORRECT**.
- **(D)** *"reneged on"*: ❌ **INCORRECT**.
**4. Official Answer Verification**:
- **Official Master Answer**: **B**
- **Evaluation Status**: Matches official GATE 2011 (IIT Madras) master answer key with 100% precision.
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