GATE_AE_2027_MOCK_04_Q21
GATE 2027 Aerospace Engineering All-India Master Mock 04 (Aerospace Structures, Thin-Walled Beams & Aeroelasticity)
MCQ · 1 Mark
Flight Mechanics & Space Dynamics • Atmospheric Flight Mechanics • ISA Atmosphere & Drag Polars
In the ISA isothermal stratosphere layer (between 11 km and 20 km altitude), the ambient static temperature is approximately:
(A) 216.65 K (-56.5 deg C)
(B) 288.15 K (+15 deg C)
(C) 150.0 K
(D) 273.15 K (0 deg C)
Answer Key:
A
Step-by-Step Verified Solution
### Solution: Between 11 km and 20 km (isothermal layer), temperature remains constant at T = 216.65 K (-56.5 deg C). Correct: A.