Explore topic-wise MCQs in Aerodynamics.

This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.

1.

Characteristic curves passing through a point in a flow field are straight lines.

A. True
B. False
Answer» C.
Discussion
2.

How many characteristic lines pass through the flow field in supersonic flow?

A. 1
B. 2
C. 0
D. 4
Answer» C. 0
Discussion
3.

For subsonic flows, the characteristics through a flow field point are imaginary.

A. True
B. False
Answer» B. False
Discussion
4.

Which partial differential equation is used to define the characteristic at sonic condition?

A. Hyperbolic partial differential equation
B. Parabolic partial differential equation
C. Elliptic partial differential equation
D. Circular partial differential equation
Answer» C. Elliptic partial differential equation
Discussion
5.

How many characteristics pass through a point in the flow field if the Mach number is greater than 1?

A. 1
B. 2
C. 4
D. 0
Answer» C. 4
Discussion
6.

Which of these equations defines the characteristic curve in an x y plane?

A. ( frac {dy}{dx_{char}} = frac {- frac {uv}{a^{2}} ( frac {u^2 + v^{2}}{a^{2}}) 1}{1 frac {u^{2}}{a^{2}}} )
B. ( frac {dy}{dx_{char}} = frac {- frac {uv}{a^{2}} sqrt {( frac {u^{2} + v^{2}}{a^{2}})}}{ frac {u^{2}}{a^{2}}} )
C. ( frac {dy}{dx_{char}} = frac {uv}{a^{2}} sqrt {( frac {u^2 + v^{2}}{a^{2}})-1} )
D. ( frac {dy}{dx_{char}} = frac {- frac {uv}{a^{2}} sqrt {( frac {u^2 + v^{2}}{a^{2}})-1}}{1 frac {u^{2}}{a^{2}}} )
Answer» E.
Discussion
7.

What is the value of derivative of flow field along characteristic line?

A. Zero
B. Indeterminate
C. One
D. 0.5
Answer» C. One
Discussion