The GATE Grind

GATE Flight Mechanics & Space Dynamics: Aircraft classification and configuration, pressure altitude, equivalent, calibrated and indicated air speeds – Previous Year Questions

4 GATE previous year questions on Aircraft classification and configuration, pressure altitude, equivalent, calibrated and indicated air speeds (Flight Mechanics & Space Dynamics, Aerospace Engineering) with answers and explanations, from every paper.

  1. GATE 2021 AE Q22 (1 mark, Multiple choice) – The ratio of true airspeed to equivalent airspeed is
  2. GATE 2023 AE Q34 (1 mark, Numerical answer) – Airplane A and Airplane B are cruising at altitudes of 2 km and 4 km, respectively. The free stream density and static pressure at altitude 2 km are…
  3. GATE 2025 AE Q24 (1 mark, Multiple choice) – 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…
  4. GATE 2024 AE Q61 (2 marks, Numerical answer) – For an aircraft moving at 4 km altitude above mean sea level at a Mach number of 0.2, the ratio of equivalent air speed to true air speed is (rounded…