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.

In how many categories is the supersonic wind tunnel classified into?

A. 2
B. 3
C. 4
D. 6
Answer» B. 3
Discussion
2.

What is the ratio of throat area of diffuser to nozzle in supersonic wind tunnel with flow at Mach 2.7?

A. 0.4236
B. 0.8338
C. 2.36
D. 1.199
Answer» D. 1.199
Discussion
3.

In which scenario is the throat area of both the nozzle and diffuser the same?

A. Ideal isentropic diffuser
B. Ideal adiabatic diffuser
C. Ideal isobaric diffuser
D. Ideal Isochoric diffuser
Answer» B. Ideal adiabatic diffuser
Discussion
4.

What is the relation between the nozzle A1t and diffuser throat area A2t in the supersonic wind tunnel?

A. At2 = At1
B. At2 > At1
C. At2 < At1
D. At2 At1 = 1
Answer» C. At2 < At1
Discussion
5.

The nozzle throat area is same as the diffuser throat area.

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

In reality what happens due to the interaction of the oblique shock waves with the boundary layer on the walls of the diffuser?

A. Higher total pressure loss
B. Reduction of speed
C. Total pressure increase
D. Reduced skin friction drag
Answer» B. Reduction of speed
Discussion
7.

Normal shock diffuser is less efficient than the oblique shock diffuser.

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

How many throat/throats are there in a supersonic wind tunnel?

A. 1
B. 2
C. 3
D. 4
Answer» C. 3
Discussion
9.

Which of these is not a part of supersonic wind tunnel?

A. Nozzle
B. Test section
C. Diffuser
D. Test model
Answer» E.
Discussion
10.

Which nozzle is used in supersonic wind tunnel?

A. Convergent
B. Divergent
C. Convergent – Divergent
D. Conical
Answer» D. Conical
Discussion