Consider the International Standard Atmosphere (ISA) with h being the
geopotential altitude (in km) and
dT
dh being the temperature gradient (in K/m).
Which of the following combination(s) of
, dTh dh
is/are as per ISA?
Options:
(A) ( )
37, 6.5 10 --
(B) ( )
39, 4 10 -
(C) ( )15, 0
(D) ( )
335, 3 10 -
Official Answer Key:
A
Step-by-Step Solution & Explanation
### **Official Solution & Step-by-Step Derivation (GATE AE 2023 Q.45)**
**1. Governing Concept & Syllabus Domain**:
This question pertains to **Structural Mechanics** under *Aerospace Structures* (2 Marks, 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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