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Compressible flows - Aerodynamics - Aerospace Engineering Previous Year Questions

Practice Compressible flows - Aerodynamics - Aerospace Engineering previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

20Papers

20Years

90Questions

1Topics

Compressible flows question pattern

Every graph below is calculated only from this selection.

Questions by year

Compare question counts across years.

Difficulty distribution

How the classified questions are distributed by difficulty.

90questions

Medium 53 58.9%

Easy 32 35.6%

Hard 5 5.6%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

90questions

MCQ 60 66.7%

Numerical Answer Type (NAT) 21 23.3%

MSQ 8 8.9%

Fill in the blanks 1 1.1%

Subject weightage

Top subjects by unique question coverage.

Aerospace Engineering

90 Qs

Most asked topics

Top topics across the included previous year papers.

Aerodynamics

90 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Compressible flows

90 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

Aerospace Engineering (AE) 2026

3 Qs

Aerospace Engineering (AE) 2025

4 Qs

Aerospace Engineering (AE) 2024

5 Qs

Aerospace Engineering (AE) 2023

4 Qs

Aerospace Engineering (AE) 2022

5 Qs

Aerospace Engineering (AE) 2021

5 Qs

Aerospace Engineering (AE) 2020

4 Qs

Aerospace Engineering (AE) 2019

3 Qs

Aerospace Engineering (AE) 2018

6 Qs

Aerospace Engineering (AE) 2017

4 Qs

Aerospace Engineering (AE) 2016

3 Qs

Aerospace Engineering (AE) 2015

1 Qs

Aerospace Engineering (AE) 2014

3 Qs

Aerospace Engineering (AE) 2013

5 Qs

Aerospace Engineering (AE) 2012

4 Qs

Aerospace Engineering (AE) 2011

8 Qs

Aerospace Engineering (AE) 2010

6 Qs

Aerospace Engineering (AE) 2009

4 Qs

Aerospace Engineering (AE) 2008

7 Qs

Aerospace Engineering (AE) 2007

6 Qs

Included previous year papers

Newest papers appear first. Search these papers or sort by year and name.

Paper name	Year	PDF
Aerospace Engineering (AE) 20262026 3 questions in this view	2026	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20252025 4 questions in this view	2025	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20242024 5 questions in this view	2024	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20232023 4 questions in this view	2023	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20222022 5 questions in this view	2022	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20212021 5 questions in this view	2021	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download Official answer keyOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20202020 4 questions in this view	2020	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20192019 3 questions in this view	2019	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20182018 6 questions in this view	2018	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20172017 4 questions in this view	2017	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20162016 3 questions in this view	2016	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20152015 1 questions in this view	2015	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20142014 3 questions in this view	2014	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20132013 5 questions in this view	2013	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20122012 4 questions in this view	2012	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20112011 8 questions in this view	2011	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20102010 6 questions in this view	2010	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20092009 4 questions in this view	2009	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20082008 7 questions in this view	2008	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download
Aerospace Engineering (AE) 20072007 6 questions in this view	2007	ExamElite PDFs ExamElite solutions Official documents Official question paperOriginal authority-issued PDF Official Download

All Compressible flows previous year questions

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2007 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2007

The drag divergence Mach number of an airfoil

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2007 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2007

Across a normal shock

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2007 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2007

One of the criteria for high-speed airplanes is that the critical Mach number should be as high as possible. Therefore, high-speed subsonic airplanes are usually designed with

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2007 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2007

The diffuser of an airplane engine decelerates the airflow from the flight Mach number 0.85 to the compressor inlet Mach number 0.38. Assume that the ratio of the specific heats is constant and equal to 1.4. If the diffuser pressure recovery ratio is 0.92, then the isentropic efficiency of the diffuser is

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2007 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2007

An aerospace system shown in the following figure is designed in such a way that the expansion generated at A is completely absorbed by wall B for \( p_i = p_d \), where \( p_d \) corresponds to the design condition. For \( p_i > p_e \), which of the following statements is NOT true?

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2007 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2007

The span efficiency factor of this wing is

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2008 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2008

In a scramjet engine, the Mach number at the entry to the combustion chamber is around

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2008 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2008

Consider steady, inviscid flow in a convergent-divergent (CD) nozzle, with a normal shock in the divergent portion. The static pressure along the nozzle downstream of the normal shock

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2008 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2008

For a free stream Mach number of 0.7 the critical pressure coefficient (\(C_{p,cr}\)) is −0.78. If the minimum pressure coefficient for a given airfoil in incompressible flow is −0.6, then the flow over the airfoil at a free stream Mach number of 0.7 is

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2008 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2008

If the flow Mach number in a turbulent boundary layer over a flat plate is increased keeping the Reynolds number unchanged, the skin friction coefficient \(C_f\)

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2008 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2008

In supersonic wind-tunnel design, an oblique shock diffuser is preferred over a normal shock diffuser because

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2008 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2008

Consider a 2-D body in supersonic flow with an attached oblique shock as shown below An increase in free stream Mach number \(M_\infty\) will cause the oblique shock wave to

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2008 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2008

An aircraft is cruising at a Mach number of 0.8 at an altitude where the ambient static pressure is 95 kPa. The diffuser exit total pressure is 140 kPa. Assuming there is no change in the specific heat at constant pressure across the diffuser, and ratio of specific heats is 1.4, the adiabatic efficiency of the intake is

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2009 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2009

For a flow through a Prandtl-Meyer expansion wave

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2009 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2009

An aircraft is flying at \(M = 2\) where the ambient temperature around the aircraft is 250 K. If the specific heat ratio for air \(\gamma = 1.4\), the stagnation temperature on the surface of the aircraft is

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2009 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2009

Which of the following statements are true for flow across a stationary normal shock ? P. Stagnation temperature stays constant. Q. Stagnation pressure decreases. R. Entropy increases. S. Stagnation pressure increases. T. Stagnation temperature increases.

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2009 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2009

Two vortices of the same strength and sign are placed a distance \(d\) apart as shown below. Assume that the vortices are free to move and the fluid is ideal. Which of the following statements is true ?

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2010 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2010

The thin rectangular plate shown in the figure is loaded with uniform shear, \(\tau_{xy}\) along all edges and uniform uniaxial tension in the y-direction. The appropriate Airy’s stress function to solve for stresses is given by

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2010 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2010

Consider the flow of air (\(\rho = 1.23\) kg/m³) over a wing of chord length 0.5 m and span 3 m. Let the free stream velocity be \(U = 100\) m/s and the average circulation around the wing be \(\Gamma = 10\) m²/s per unit span. The lift force acting on the wing is

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2010 · Aerospace Engineering · Aerodynamics · Compressible flows

Aerospace Engineering (AE) 2010

Consider a 1-D adiabatic, inviscid, compressible flow of air (\(R = 287\) J/Kg·K, \(c_p = 718\) J/Kg·K) through a duct of constant cross-sectional area \(A = 1\) m². If the volumetric flow rate is \(\dot{Q} = 680\) m³/s and stagnation temperature is \(T_0 = 580.05\) K, then the air temperature inside the duct is

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Compressible flows - Aerodynamics - Aerospace Engineering Previous Year Questions