The figure below depicts two ideal gas turbine cycles, cycle 1-2-3-4-1 and cycle
1-2-3'-4'-1, on a T-s diagram. Which one the following statements is FALSE?
Options:
(A) The thermal efficiency of the two cycles is the same
(B) The specific work of the two cycles is the same
(C) The processes 2-3 and 2-3' are isobaric
(D) The amount of heat added in the combustion process is greater for the cycle
1-2-3'-4'-1
Official Answer Key:
A
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2026 Q.18)**
**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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