Explore topic-wise MCQs in Aerodynamics.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Aerodynamics knowledge and support exam preparation. Choose a topic below to get started.

1.

If we know the location and flow properties of internal points 1 and 2, then what is the value of local streamline direction θ3 for point 3 which lies at the intersection of characteristic lines?

A. θ3 = \(\frac {1}{2}\)[(K–)1 + (K+)2]
B. θ3 = [(K–)1 + (K+)2 ]
C. θ3 = \(\frac {1}{2}\)[(K–)1 – (K+)2]
D. θ3 = [(K–)1 – (K+)2]
Answer» B. θ3 = [(K–)1 + (K+)2 ]
Discussion
2.

Lines originating after limiting line intersect the sonic line.

A. True
B. False
Answer» C.
Discussion
3.

At which point is the initial data taken for nozzle flow?

A. Downstream of the limiting characteristic
B. Upstream of the limiting characteristic
C. Expansion region
D. Straightening section
Answer» B. Upstream of the limiting characteristic
Discussion
4.

What is the proses of applying method of characteristic known as?

A. Unit process
B. Numerical process
C. Characteristics formulation
D. Computation process
Answer» B. Numerical process
Discussion
5.

Which of these steps is not involved in method of characteristics for supersonic nozzle design?

A. Determining characteristic lines
B. Determining compatibility equations for characteristic line
C. Solving compatibility equation point by point
D. Neglect the internal points
Answer» E.
Discussion
6.

How many characteristic line/lines can pass through a point P in a streamline?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
7.

Characteristic lines are those lines in the flow field where the flow variables cannot be determined.

A. True
B. False
Answer» B. False
Discussion
8.

What is the portion of the nozzle called where the angle between the tangent to the wall and horizontal decreases?

A. Divergent section
B. Expansion section
C. Straightening section
D. Convergen section
Answer» D. Convergen section
Discussion
9.

What is the shortcoming of analysing flow properties using quasi-one-dimensional analysis?

A. Time consuming
B. Inaccurate
C. No information on wall contours of nozzle
D. Unable to predict all the flow properties
Answer» D. Unable to predict all the flow properties
Discussion
10.

What should be the shape of the nozzle to achieve supersonic speed?

A. Convergent
B. Divergent
C. Convergent-Divergent
D. Divergent-Convergent
Answer» D. Divergent-Convergent
Discussion