A general aviation airplane is flying at an altitude of 5000 m. The indicated
airspeed is 250 km/h. Assume that there are no instrument errors and position
errors. Neglecting compressibility effects, which one of the following options is
FALSE?
Options:
(A) The true airspeed is greater than 250 km/h.
(B) The calibrated airspeed is 250 km/h.
(C) The true airspeed is 250 km/h.
(D) The equivalent airspeed is 250 km/h.
Official Answer Key:
A
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2025 Q.24)**
**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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