Explore topic-wise MCQs in Aerodynamics.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.

1.

What is the temperature ratio across a moving shock wave in ambient air if the pressure ratio is 8.5?

A. 1.43
B. 2.37
C. 4.21
D. 3.82
Answer» C. 4.21
Discussion
2.

How is total enthalpy related in a stationary shock wave?

A. Constant
B. h<sub>2</sub> &gt; h<sub>1</sub>
C. h<sub>2</sub> &lt; h<sub>1</sub>
D. h<sub>02</sub> &lt; h<sub>01</sub>
Answer» B. h<sub>2</sub> &gt; h<sub>1</sub>
Discussion
3.

If the wave velocity is 900 m/s and the density ratio across the shock wave is 0.6, then what is the value of velocity of induced mass motion behind the wave?

A. 400 m/s
B. 360 m/s
C. 180 m/s
D. 980 m/s
Answer» C. 180 m/s
Discussion
4.

Which of these is the governing parameters for change across shock wave when it is moving?

A. Mach number
B. Density
C. Pressure ratio
D. Velocity ratio
Answer» D. Velocity ratio
Discussion
5.

Hugoniot equation is physically dependent on whether the shock wave is stationary or moving.

A. True
B. False
Answer» C.
Discussion
6.

Shock tube is an application of steady motion of the shock waves.

A. True
B. False
Answer» C.
Discussion
7.

The flow properties of the moving wave depends on which property/properties?

A. Direction
B. Time
C. Both direction and time
D. Temperature
Answer» D. Temperature
Discussion
8.

What happens when normal shock wave propagates into laboratory facility?

A. Induces gas ahead of it
B. Induces gas behind it
C. Leaves a small area of vacuum behind it
D. Leaves a small area of vacuum ahead of it
Answer» C. Leaves a small area of vacuum behind it
Discussion
9.

What happens when the shock wave propagates in the opposite direction with the same magnitude as wave velocity?

A. Velocity increases
B. Velocity decreases
C. Appears stationary
D. Becomes sonic
Answer» D. Becomes sonic
Discussion