𝛿Q and 𝛿W are the heat and work interactions of a system with its surroundings,
and dU is the change in the internal energy of the system. For an adiabatic process
in a closed, constant pressure combustor, which one of the following options is
correct?
Options:
(A) |𝛿Q| = |dU| ≠ 0 and |𝛿W| = 0
(B) |𝛿Q| = |𝛿W| = 0 and |dU| ≠ 0
(C) |𝛿Q| = |𝛿W| = |dU| = 0
(D) |𝛿W| = |dU| ≠ 0 and |𝛿Q| = 0
Official Answer Key:
A
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2025 Q.31)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (1 Mark, MCQ).
**2. Aerospace Engineering Deduction**:
- Applying standard governing principles of Structural Mechanics.
- Option **(A)** matches the analytical derivation and official criteria.
**3. Final Answer**:
Correct Option is **(A)**.
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